Hello. This is Jessica Robinson.
user
Hello, how may I be at your service today?
assistant
I want to change my existing reservation, due to my health issues. Could you please help me with that?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure.
user
Sorry to inform you that, we couldn't find any reservation with your name.
assistant
Thanks for your information.
user
Thank you for reaching us.
assistant