Hello.
user
Hello, how may I assist you?
assistant
I am Daniel White. Can you assist me in booking  my flight ticket from New York JFK to San Francisco SFO?
user
Sure, may I know your travel dates?
assistant
My travelling dates will be May 11 to May 13.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry, there were no flights found on your route.
assistant
Ok, I will search with other alternative.
user
Ok.
assistant
Thank you for searching a flight with the given details.
user
Thank you.
assistant