Hello.
user
Hello, how may I help you?
assistant
I'm Justin Johnson, want to change my reservation because I have some urgent work on my previous reservation dates. Can you change my reservation?
user
Sure, please wait for a while.
assistant
Sure, take your time.
user
Sorry Johnson, there is no reservation found with your name in our records.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant