You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carolyn Young here.

ASSISTANT: How may I help you?

USER: Can you please help me in booking the ticket from Washington to Houston?

ASSISTANT: May I know your airport codes?

USER: Sure, my source airport code is IAD and my destination airport code is IAH.

ASSISTANT: Can I know your desired travel dates please?

USER: Sure, my travel dates are 08/03 and 08/05.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is booked, flight number 1017.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.