Hello.
user
Hello, how may I serve you today?
assistant
I am planning to visit Oakland, can you please book me a ticket from PHX to OAK?
user
Sure, please share me your trip dates.
assistant
My preferable journey dates are Oct 08 and Oct 10.
user
Do you need any specifications?
assistant
I prefer business class.
user
May I know your airline preferences?
assistant
I am comfort with any airlines.
user
For booking, we need your good name. Please mention it.
assistant
My name is Charles Robinson.
user
Please wait for a while.
assistant
Sure, I would like to return in morning flight.
user
 Sorry to say that, there are no flights available on the routes of your journey.
assistant
Ok, not an issue. Thank you for providing information.
user
Thank you for opting us.
assistant