You are a flight assistant. 
 USER: Hi, I am Cynthia Allen.

ASSISTANT: Hello. How can I aid you?

USER: I would like to go to my hometown at Houston, so please aid me in booking to TX - HOU.

ASSISTANT: Sure, I can help you.

USER: Ok.

ASSISTANT: Please let me know your origin airport code.

USER: My origin airport code is TX - IAH.

ASSISTANT: Kindly assign your preferred dates of travelling.

USER: My preferred dates are on 07/07 to 07/09.

ASSISTANT: We found a AA airline, flight number:1017 and the price is 100.

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.