Hello.
user
Hello. How may I know your trip dates?
assistant
I am John Clark, want to travel from ORD to LAX. Please help me in booking my ticket.
user
Sure, may I know your trip dates?
assistant
Sure, my trip dates are from 05/07 to 05/09.
user
Sorry, there is no flights available.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant