Hello.
user
Hello, how may I help you?
assistant
I am Gregory Brown. I want to book a ticket from DTW to OAK to attend seminar, can you help me in booking?
user
Sure, may I know your trip dates?
assistant
I am departing on Dec 14 and return on Dec 16.
user
Do you have any connection limit?
assistant
I need a flight with connection limit 1.
user
May I know your class preference?
assistant
I am ok with any class.
user
Do you have any other preferences?
assistant
I want to depart in afternoon.
user
There are no flights available.
assistant
That's ok, thank you for your information.
user
Thank you for reaching us.
assistant