Hello.
user
Hello. How may I help you?
assistant
I am planning to change an existing reservation, due to health issue. Can you please help me out?
user
Yes, can you share me your name?
assistant
My name is Barbara Turner.
user
Sorry to inform you that there is no reservation found on your name.
assistant
That's fine, thank you for your service.
user
Thank you for contacting us.
assistant