Hello.
user
Hello,. How may I help you?
assistant
As my family tour got postponed I want to change my reservation, can you help me with it?
user
May I know your name?
assistant
Yes, you can call me as Mary Adams.
user
Please wait for a while.
assistant
Ok.
user
I'm sorry, no reservation exists.
assistant
That's ok, thank you for the response.
user
Thanks.
assistant