Hello. I am Timothy Carter.
user
Hello, how may I serve you at this moment?
assistant
I would like to book a flight which depart in the evening. Could you please help me with booking a flight ticket from DFW to LGA?
user
Sure, can you please let me know your journey dates?
assistant
My travelling dates are Dec 22 and Dec 24.
user
Do you prefer business or economy class in your journey?
assistant
I am comfortable with any class.
user
Is there any more preferences do you need?
assistant
Yes, I need a connecting flight.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry to inform you that we did not find any flights matching your preferences.
assistant
No problem, thank you for the information.
user
Thank you for approaching us.
assistant