Hello.
user
Hello, how may I help you today?
assistant
Please book me a ticket from IAD to IAH to meet my family.
user
Sure, please share your travel dates.
assistant
I  have planned to travel on Dec 10th and return on Dec 12th.
user
May I know your good name?
assistant
Myself Richard Robinson.
user
Do you need a stopover?
assistant
I like connecting flight.
user
Is there any specifications do you have?
assistant
Please search business class.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Ok, no problem. Thank you.
user
Thank you for opting us.
assistant