Hi.
user
Hello. How may I aid you?
assistant
I want to change my reservation due to health problem, can you help me?
user
Sure, I will help you with that.
assistant
Thank you.
user
May I know your name to check your reservation status.
assistant
Myself David Martinez.
user
Sorry, there is no reservation found on your name in our records.
assistant
No problem, thanks for checking.
user
Welcome.
assistant