You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you the best?

USER: I want to reserve a seat for a round trip, can you please help me in booking my flight ticket for New York NY-JFK.

ASSISTANT: Sure, we are perky to help you. Please help me with your source code.

USER: Its a round trip.

ASSISTANT: Can you please let me know your travelling dates?

USER: My travelling dates will be 02/29 to 03/02.

ASSISTANT: Ok, please be on hold for a moment.

USER: I need a direct flight. Sure.

ASSISTANT: May I know your name?

USER: I am Nicholas Campbell.

ASSISTANT: Sorry Nicholas, we don't have direct flights on your dates.

USER: Its ok, thank you.

ASSISTANT: Thank you for contacting us.