Hello,.
user
Hello, how can I assist you today?
assistant
I am Frank Campbell. I made a earlier reservation to go for a trip my friends, but I met with an small accident I can't go for a trip. Can you please change my existing reservation?
user
Sure, please wait a moment.
assistant
Sure.
user
Unfortunately, there is no reservation found with your given name.
assistant
Ok, no issue. Thank you for your information.
user
Thank you for availing us.
assistant