Hi.
user
Hello, how may I help you?
assistant
Owing an emergence, I want to change my existing reservation. Can you help me with it?
user
Sure, I am happy to help you. May I know your name please?
assistant
Sure, my name is Carolyn Adams.
user
Ok, please stand by.
assistant
Sure.
user
Thank you, sorry no reservation found with your name.
assistant
Ok, no issues.
user
Thank you for choosing us, have a nice day.
assistant