Hello.
user
Hello. How can I aid you today?
assistant
I am Mark Martinez. I am planning to change an existing reservation, due to health issue. Can you please change my reservation?
user
Please wait for a while.
assistant
Sure.
user
We did not find any reservation on your given name in our data.
assistant
That' s fine, thank you for your service.
user
Thank you for availing us.
assistant