Hello.
user
Hello, how can I help you?
assistant
I would like to spend some more days with my family, please help me in changing my existing reservation.
user
Please wait a while.
assistant
Sure.
user
May I know your name please?
assistant
Sure, my name is Jack Williams.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for opting us.
assistant