Hi.
user
Hello, how can I serve you today?
assistant
Due to health issues, I want to change my existing reservation. can you help me with it?
user
Sure, may I know your good name?
assistant
My name is Patrick Taylor.
user
Please wait for a moment.
assistant
Sure.
user
Thanks for waiting, sorry to say that, no reservation was found with your name.
assistant
Ok, no issues.
user
Thanks for choosing us.
assistant
Thanks for the help.
user