You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Joshua Brown.

ASSISTANT: Nice to meet you Joshua.

USER: I am planning to book a ticket to attend a meeting at EWR. Can you please help me out?

ASSISTANT: Sure, tell me your travel dates please?

USER: I would like to travel on Feb 08 and return back on Feb 10.

ASSISTANT: Now tell me your source airport code please?

USER: My source codes is ATL.

ASSISTANT: Thanks for your patience. I have found United airlines which flies with one connection and the fare is only 200.

USER: My return time should be afternoon.

ASSISTANT: Ok. Sorry to say that there are no flights available in the afternoon time.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you.