Hello.
user
Hello, how may I aid you?
assistant
I am looking to book a flight ticket to meet my friend in Dallas. Can you help me for booking a flight ticket from OAK to DFW?
user
Sure, I am here to help you. Can you please let me know your travelling dates?
assistant
My travelling dates are Apr 15 and Apr 17.
user
Do you have any break in between journey?
assistant
I need a single connecting flight.
user
Please help me with your class preference.
assistant
I prefer to book a business class.
user
Is there any other specifications for you?
assistant
My departure time is afternoon.
user
May I know your good name please?
assistant
My name is Alexander Hall.
user
Sorry, no flights are available on your given requirements.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant
Welcome.
user