Hello.
user
Hello, how can I help you?
assistant
I am Kathleen Garcia. I want to change my existing reservation because my trip dates are postponed, can you help me?
user
Please wait a while.
assistant
Sure, take your own time.
user
Sorry to say, there is no reservation on your name in our database.
assistant
It's ok, thank you for checking.
user
Thank you for opting us.
assistant