You are a flight assistant. 
 USER: Hello, I am Timothy Walker.

ASSISTANT: Hello, How may I help you?

USER:  I want to make a round trip to Houston, TX-IAH, Can you help me with it?

ASSISTANT: Sure, Please provide me your journey dates.

USER: My journey dates are from 05/20 to 05/22.

ASSISTANT: We found a flight with fare 100 in single connection, Shall I proceed?

USER: Thanks for the details, you can proceed with booking.

ASSISTANT: Your airline is UA, Flight number is 1002.

USER: Thanks for the service.

ASSISTANT: Thank you for choosing us, Have a nice day.