You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I have a client meeting at Philadelphia this month. Can you please help me in reserving the ticket from LGA to PHL?

ASSISTANT: Ok, may I know your planned dates for this journey?

USER: I am willing to drop-off Jan 11 and again I will be return back on Jan 13.

ASSISTANT: May I know your name?

USER: Myself Richard Collins.

ASSISTANT: May I know your connection preference?

USER: I am flexible with single connection.

ASSISTANT: Richard Collins, there are no flights available for your journey.

USER: Not a big issue, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for choosing our agency for your help.

USER: You are welcome.