Hello.
user
Hello, how may I help you?
assistant
My name is Kevin Harris. Can you please assist me to reserve a flight ticket from Philadelphia to reach Chicago?
user
Sure, can I know your travelling dates?
assistant
The preferable travel dates are Sept 30 and Oct 2.
user
Do you have any particular time for departing and returning?
assistant
I am looking for a flight which is returning in the evening time.
user
Would you like to prefer direct flight or connecting flight?
assistant
I need a single connecting flight to travel.
user
Which class do you prefer?
assistant
No, I didn't have any class preference.
user
Thank you for giving your valuable time, but there are no flights available based on your request.
assistant
It's ok, I will choose some other source to travel. Anyways thank you for your time.
user
Thank you for opting us, we hope to serve you again with better features.
assistant