You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend Houston Zoo in Houston.Can you please help me for booking the flight ticket?

ASSISTANT: May I know your destination airport code?

USER: Sure, the airport codes are from TX-IAH to TX-IAH.

ASSISTANT: May I know your travelling dates?

USER: The travelling dates are from 10/15 to 10/17.

ASSISTANT: Could you provide your name for the booking?

USER: Sure, my name is Helen Gonzalez.

ASSISTANT: I find a flight 1004 with 1 connection limit, which costs 100 from Hawaiian airline. Shall I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Your flight from IAH to IAH has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.