You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I have planned my trip from Houston which is said to be as HOU airport code and I am planning to land on Detroit and is said to be as DTW airport. Can you please help me out in booking my flight ticket under my name Thomas Lee?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you, my travelling dates are 11/26 and 11/28.

ASSISTANT: Can I know your airport codes too?

USER: I have mentioned above. Just now my source got changed to IAH.

ASSISTANT: Sure. Please wait for a while.

USER: Ok.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Yes, do proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1001.

USER: Thank you for booking my flight ticket with the flight 1001.

ASSISTANT: Thank you for reaching us.