You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I am planning to watch a movie at Broadway theater at New York, can you please book a ticket in economy class?

ASSISTANT: Ok, I will help you with that. May I know your planned trip dates?

USER: Sure, I have planned to travel on dates 21 and 23 of Feb.

ASSISTANT: Could you send me your airport codes?

USER: Yes, my airport codes are EWR and JFK.

ASSISTANT: May I know your depart and return timings?

USER: I want to return in the morning.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Gregory Mitchell.

ASSISTANT: Sorry to inform you that, there is no flight available based on your journey details.

USER: That's fine, thank you for the response.

ASSISTANT: Thank you for reaching us.