Hello. I am Angela White.
user
Hello, how may I serve you at this moment?
assistant
Due to my health problem I want to change my existing reservation, can you please help me to change my reservation?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please be on hold for some time.
assistant
Sure.
user
Sorry we could not find any reservation with your name.
assistant
Not a problem, thank you for the information.
user
Thank you for choosing us.
assistant