You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning next month to visit Philadelphia to meet my colleagues. Can you please help me in reserving the ticket from MCO to PHL?

ASSISTANT: Sure, let me know your trip dates please?

USER: I would like to travel on Aug 12 and again I will return back on Aug 14.

ASSISTANT: May I know your connection limit?

USER: I am comfort to travel in single connection flight.

ASSISTANT: Do you need any other preference?

USER: Sorry, I am planning to travel in direct flight.

ASSISTANT: Can I know your name please?

USER: Myself Karen Martin.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

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

ASSISTANT: Thanks for contacting us.