Hello.
user
Hello. How can I aid you?
assistant
I am Pamela Thomas. I am planning to visit the Denver Zoo at Denver CO - DEN, so please help me in booking a flight ticket from PA - PHL.
user
May I know your travel dates?
assistant
I want to fly on 12/21 and return on 12/23.
user
We found a connecting flight Southwest with flight number 1006 and fare is 100. Shall I proceed?
assistant
You can proceed to booking.
user
Your booking is done.
assistant
Thank you.
user
 Thank you for opting us.
assistant