You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from IAH to DEN, Can you please help me for booking?

ASSISTANT: Sure, when are you willing to travel?

USER: I would like to travel on 12/31 to return on 01/02.

ASSISTANT: May I know your good name please?

USER: Amanda Taylor here.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: We found a flight in an airline Frontier with 1027 number having a direct connection in an economy class. Shall I proceed to book?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.