Hello.
user
Hello, how may I aid you at this moment?
assistant
I am Sharon Walker. Can you help me to book a flight ticket from SFO to PHL?
user
Sure, I am really gleeful to help you in booking the flight ticket.  Please share me your journey dates of your planned trip.
assistant
Ok, my travel dates are 11/01 and 11/03 respectively.
user
Do you have a specification regarding flight ticket booking?
assistant
Please go ahead if there is a direct flight then book it.
user
Sorry Walker, here I didn't find any flight in your way.
assistant
That's fine, thank you for assisting me.
user
Thank you for approaching us.
assistant