You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Myself James Moore.

ASSISTANT: Nice to meet you Moore.

USER: I would like to see Liberty Bell, can you help me for booking?

ASSISTANT: That's nice. Sure, I will help you with that. Can you please provide me your journey details?

USER: My travel starts from 12/13 to 12/15.

ASSISTANT: Ok, please provide me airport codes too.

USER: Source from DCA to destination PHL. Make sure that connection limit is 0.

ASSISTANT: Thank you for providing information, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry Moore, No flight has connection as 0.

USER: Ok, that's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your services.

ASSISTANT: Have a good day.