You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christine Young.

ASSISTANT: What can I do for you at this moment?

USER: I would like to go for 3 days trip to Chicago, IL - ORD.

ASSISTANT: Ok.

USER: Can you please book a ticket on 10/24?

ASSISTANT: Sure. Let me know your other airport code.

USER: Houston, TX - IAH is my origin airport code.

ASSISTANT: May I have your other journey date?

USER: I want to return on 10/26.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: You have a direct flight with price of 200. Is it comfortable to you?

USER: No.

ASSISTANT: Ok. Thank you for availing us.

USER: Thanks for your time.

ASSISTANT: Have a great day.