Hello, I am Timothy Walker.
user
Hello, How may I help you?
assistant
 I want to make a round trip to Houston, TX-IAH, Can you help me with it?
user
Sure, Please provide me your journey dates.
assistant
My journey dates are from 05/20 to 05/22.
user
We found a flight with fare 100 in single connection, Shall I proceed?
assistant
Thanks for the details, you can proceed with booking.
user
Your airline is UA, Flight number is 1002.
assistant
Thanks for the service.
user
Thank you for choosing us, Have a nice day.
assistant