Hello.
user
Hello, how may I aid you today?
assistant
Can you please book a flight ticket in business class?
user
Sure, may I know your journey points?
assistant
My airport codes are, ORD to IAD.
user
Can I know your travel dates?
assistant
My journey start on Mar 9th, and arrival on Mar 11th.
user
Do you have any other requirements?
assistant
I prefer a flight with single connection.
user
May I know your name?
assistant
My name is Helen Smith.
user
Sorry, there were no flights found with your requirements.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant