Hi.
user
Hello.
assistant
Nancy Perez here.
user
How can I assist you?
assistant
I want to change my existing reservation due to my health issue, will you help me?
user
Sure, please let me check.
assistant
Sure.
user
Sorry Nancy, I have not found any reservation by your name.
assistant
Ok, thank you for your information.
user
Thank you for reaching us.
assistant