You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am William Gonzalez from Houston. I want to go New York next week, can you please book a flight ticket for me?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thanks.

ASSISTANT: Can you please mention your travel dates for booking flight ticket?

USER: I want to take off on 12/24 and book my return ticket also on 12/26.

ASSISTANT: May I know your preferable airport code names?

USER: I want to fly from HOU and destination airport is EWR.

ASSISTANT: Please wait a moment.

USER: Ok. Please make sure that I want 1 halt in between my journey.

ASSISTANT: Sure. Sorry no connecting flights available in this route.

USER: Oh! It's ok no problem.

ASSISTANT: Most welcome.

USER: Thank you for your service.