Hello.
user
Hello. How can I help you?
assistant
I am Donald Garcia. I want to book a flight ticket from OAK to CLT. Could you help me in booking?
user
Sure. Can I know your travelling dates?
assistant
My travelling dates are from Aug 26-28.
user
Are you okay with connecting flight or you need a direct flight?
assistant
I need 1 connecting flight.
user
Is there any another specifications on your trip, so that I can book a ticket as per your wish?
assistant
My depart time should be in the evening.
user
 We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
That's ok, no problem. Thank you.
user
Thank you for reaching us.
assistant