Hi.
user
Hello. How may I help you?
assistant
I am Debra Edwards, can you help me to book a flight from DFW to SEA?
user
 Sure, I will help you. Please send your travelling dates.
assistant
My trip dates are Feb 18 and 20.
user
 Is there any additional preferences do you have?
assistant
I need a connecting flight.
user
We have a flight-1009 in economy class, shall I proceed?
assistant
Proceed with my booking.
user
Ok, booking is done on Spirit airlines.
assistant
Thank you.
user
Thanks for choosing us.
assistant