You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Please reserve me a flight ticket from LGA to PHX.

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: My travel dates are Oct 12 and Oct 14.

ASSISTANT: May I know your name?

USER: I am Larry Williams.

ASSISTANT: Is there any other requirements?

USER: I would like to return back in the afternoon time.

ASSISTANT: Please wait for a minute.

USER: I prefer connecting flight. Sure.

ASSISTANT: Ok. Sorry to say that, there are no flights available based on your travelling dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.