Hello.
user
Hello. How may I help you?
assistant
I am planning to change an existing reservation, due to health issue. Can you please change my reservation?
user
Yes, can you share me your name?
assistant
My name is Laura White.
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 reaching us.
assistant