Hello.
user
Hello, how may I help you?
assistant
I am Betty Lopez, want to travel from DCA to DFW. Please help me in booking my ticket.
user
Sure, on which dates you are planning to travel?
assistant
Sure, my trip dates are from 12/18 to 12/20.
user
Do you have any class preference?
assistant
Make sure, my departing time should be in afternoon with 1 connecting flight.
user
Can you please me if your have any other requirements?
assistant
My class preference is business.
user
Ok, please wait a minute.
assistant
Sure.
user
Sorry Betty, there is no flights available.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant