Hello. Charles Baker here.
user
Hello, how may I help you?
assistant
Can you make my reservation from PHL to DFW?
user
Ok, can you please tell me your travel dates to proceed?
assistant
My travelling dates are from 08/06 to 08/08.
user
Sorry, there are no flights available on your given details.
assistant
It's ok. Anyway, thank you for checking.
user
Most welcome.
assistant