Hello.
user
Hello, how may I aid you today?
assistant
I need your help in booking a flight ticket from PHL to OAK.
user
Sure, please share me your trip dates.
assistant
August 5 and 7 are my planned travelling dates.
user
 For booking, we need your good name. Please mention it.
assistant
Sure, my name is Donald White.
user
 Do you need direct flight or connecting flight?
assistant
I would prefer to fly in a connecting flight.
user
May I know your class preferences?
assistant
I am good with any class of flight.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
That's ok. Thank you.
user
Thank you for opting us.
assistant