Hello.
user
Hello, how can I aid you today?
assistant
I am planning to change an existing reservation, due to health issue. Can you please help me out?
user
Sure, can I know your good name?
assistant
Sure, my name is Donald Allen.
user
Please hold a moment.
assistant
Sure.
user
Thank you for waiting, there is no recent reservation found with given name.
assistant
That's fine, thank you for your service.
user
Thank you for contacting us.
assistant