You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to travel from BOS to ATL, can you please help me in flight booking?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My departure day is Nov 14, return day is Nov 16.

ASSISTANT: Ok, could I have your name please?

USER: My name is Gary Moore.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I want a flight with one connection.

ASSISTANT: Ok, may I know your class preference?

USER: I want economy class flight ticket. And my return time should be afternoon.

ASSISTANT: Sorry, there is no flight with your request.

USER: Not an issue, thank you.

ASSISTANT: You are welcome, have a great day.