You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to book a ticket from New York to Houston on 03/31. Could you please help me in doing that?

ASSISTANT: Sure, we would be happy to help you. Can you please help me with the airport code of New York and Houston?

USER: My travelling airport codes are New York JFK and Houston HOU.

ASSISTANT: Ok, when are you willing to return back?

USER: I intend to return on 04/02.

ASSISTANT: Ok, may I know your name please?

USER: I am Cynthia Rodriguez.

ASSISTANT: Cynthia, do you want any stopover within your journey?

USER: Yes, I need a break.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no flight available on your dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.