Hello.
user
Hello, how may I aid you today?
assistant
Please help me in booking flight ticket from LAX to CLT.
user
Sure, please share me your travel dates.
assistant
My trip dates are June 21 to June 23.
user
Do you have any particular time for departing and returning?
assistant
No.
user
 For booking, we need your good name. Please mention it.
assistant
Betty Walker here.
user
 Do you need direct flight or connecting flight?
assistant
I prefer to travel in connecting flight.
user
 May I know your class preferences?
assistant
I don't have any class preference.
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 reaching us.
assistant