Hello.
user
Hello.
assistant
I am Ryan Martinez from SFO.
user
Welcome to Global flight ticket booking agency.
assistant
Thank you.
user
How can I help you Ryan?
assistant
I would like to visit PHL to attend a business meeting, can you make a reservation for me?
user
Sure, I will help you. May I know your preferable travel dates for booking flight ticket?
assistant
My travel dates are 08/12 and 08/14.
user
 Ok, please wait a moment to check the availability of flight and I will get back to you.
assistant
Sure.
user
Sorry for the inconvenience, no flights available as per your requested dates.
assistant
It's ok.
user
Do you want to know any thing else from us?
assistant
No, thanks.
user
Thank you for contacting us, have a good day.
assistant