Hi. I am Mark Collins.
user
Hello, how may I help you today?
assistant
Can you help me in booking from DFW to LAS, as there is a business meeting?
user
Sure, could you please provide your departure and arrival dates?
assistant
My trip dates are Jul 01 to Jul 03.
user
Do you have any specifications to be met?
assistant
I need a business class.
user
Ok, please wait a moment.
assistant
Sure.
user
Thank you for your time, unfortunately we have a economy class. Shall I proceed?
assistant
No, thank you for checking.
user
Thank you for opting us.
assistant