Hello, I am Mary Clark.
user
Hello, how may I be there for you?
assistant
I would like to travel from DEN to PHL. Can you please  help me to book a ticket?
user
Ok, when do you want to travel?
assistant
I want to start on 07/05.
user
Do you need a lay by?
assistant
I need a connecting flight.
user
When would you like to return?
assistant
I want to return on 07/07.
user
Ok, please wait.
assistant
Ok.
user
UA airline with flight number 1026 and price of 100 is available on your required dates. Shall I proceed?
assistant
You can proceed to booking.
user
Your booking has been confirmed.
assistant
Thank you.
user
Thank you for opting us.
assistant