Hello.
user
Hello. How can I assist you?
assistant
Myself Christine Clark. I would like to see Liberty Bell in PHL, can you help me booking flight ticket from PHL?
user
May I know your destination code?
assistant
It is a round trip PHL to PHL.
user
May I know your travelling dates?
assistant
My travel starts from 09/15 to 09/17. Make sure with 0 connections.
user
Sorry to say, no  flights found.
assistant
Ok, that's fine.
user
Thank you for contacting us.
assistant
Thank you for your services.
user