Hello.
user
Hello. How may I help you?
assistant
I want to travel in a business class flight, can you please help me out with flight ticket booking?
user
Ok, may I know your trip dates?
assistant
Sure, I am planning to move on Dec 22 and please book my return ticket on Dec 24.
user
Can I know airport codes?
assistant
Sure, I want to travel from OAK to IAD.
user
Do you have any other requirements?
assistant
I would like to return in evening time.
user
May I know your name please?
assistant
Sure, my name is Joseph Baker.
user
Sorry Joseph, there is no flight available on these route.
assistant
Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.
user
Most welcome.
assistant