Hello.
user
Hello.
assistant
I am John Williams.
user
How may I help you?
assistant
I am planning to to change an existing reservation, due to health issue. Can you please change my reservation?
user
Yes, I can help you.
assistant
Thank you.
user
Sorry to inform you that there is no reservation found on your name.
assistant
That's fine.
user
Thank you for reaching us.
assistant
Thank you for your service.
user