You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER:  I would like to visit Havasupai Adventure at Houston, can you please book me a ticket?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I want to travel on 09/22, and need to catch return flight on 09/24.

ASSISTANT: Please let me know your airport codes.

USER: I need to leave from my nearest airport OAK to reach IAH.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I need a halt.

ASSISTANT: May I know your name?

USER: I am Linda Campbell.

ASSISTANT: We found a Delta airline, flight number:1013 and the price is 100.

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.