проверьте ошибки пожалуйста

 Hello. What can I do for you?
 Hello, I would like to book a trip.
 Where would you like to travel (-)?
 Last year I spenT my holidays in Paris. That rest was unforgettable. And I want to go to Disneyland with my two friends (!) this year too.
 When are you planning to leave?
 I want to fly (!) at the end of June and come back about mid-August.
 That’s quite an expensive time of THE year, buy if you wait a moment I’ll give you some other price-lists, just to give you an idea.
 Thank you, bUt it's not the matter of money.(!)
 It is good.
 I just want an idea of a trip.
 What exactly do you want to know?
 What WILL the flying time be? - порядок слов? но лучше - How long will the flight be? OR How long will the flight take?
 It’s а 3 and a quarter hour flight. (3 с половиной выступает здесь как прилагательное, поэтому перед ним артикль, и нет формы множественного числа. )
 I want to reserve three single rooms in the hotel for me and my friends. Can I do this?
 Yes of course. There are A LOT OF five-star hotels with great service.
 Good.
 I’m looking FOR the hotel for you right now. Do you want to add insurance to your belongings?
 Ok, I’ll have it.
 Is this (!) all what you want to know?
 Yes, it is.
 Are you paying IN (или с этим предлогом, или без предлога) cash or by card?
 By card.
 Thank you, take your tickets and have a good trip.
 Thank you too. Bye

Я бы добавила хотя бы название отеля ( а то агент сказал, что ищет, но так и не ясно, нашёл ли подходящую) , а то в какой гостинице он будет жить, так и осталось загадкой, а ведь не только для себя, но и для друзей старался. В реальной ситуации человек бы как минимум задал пару вопросов о гостинице. )))

Where would you like to travel?
I spenT my holidays in Paris last year. That rest was unforgettable. And I'm going to go to Disney with my friends in this year.
When you are planning to leave?
This time of year is quite expensive buT if you wait a moment I’ll give you other prices.
I've just want to offer a trip
It’s a quarter past 3
I want to book three rooms at the hotel. Can I do this?
Yes of course. There are many five star hotels with excellent service
It's good (в англ. яз. нет предложений из одного слова)
I’m looking about the hotel room for you right now. Do you want to add insurance to your belongings?
Is this all what you want to know?
Yes,it is.
It would be better if I'll pay by card