Hello.
user
Hello, how may I help you?
assistant
I am Paul Green, want to travel from DFW to PHL. Please help me in booking my ticket.
user
Sure, on which dates you are planning to travel?
assistant
Sure, my travelling dates are from 07/05 to 07/07.
user
Sorry but on these dates, there is no flights available. Most welcome.
assistant
It's ok, thank you for your help.
user