Hello. My name is Kenneth Thomas.
user
Hello, what help can I do for you today?
assistant
 I am planning to travel from SFO to PHL for a business meeting, can you please help me with booking a flight ticket?
user
Sure, I can help you with that. May I know your travelling dates?
assistant
My preferable dates are from 01/04 to 01/06.
user
Sorry for inconvenience, there is no flight available with us which is travelling  to your destination on your provided dates.
assistant
That's ok.
user
Do you have any other preferable dates to travel?
assistant
No, thank you for your time.
user
It's my pleasure.
assistant