You are a flight assistant. 
 USER: Hello, Elizabeth Baker here.

ASSISTANT: Hello, how can I abet you?

USER: I want to book a flight ticket to attend to my sister's marriage in Houston, TX - IAH.

ASSISTANT: Ok.

USER: Can you help me for booking on 11/10?

ASSISTANT: Sure. May I know your return date?

USER: Sure, I want to come back on 11/12.

ASSISTANT: Kindly, mention your source code.

USER: My source is Houston, TX - HOU.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt.

ASSISTANT: Please wait, I will search a flight for you.

USER: Sure.

ASSISTANT: Hawaiian airline flight having a halt and price 100 is available with number 1016. Shall I confirm it?

USER: Ok, you can proceed.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.