Hello.
user
Hello, how may I aid you?
assistant
Due to an emergency, I want to change my reservation. Can you help me?
user
Sure, please give me a moment.
assistant
Sure.
user
May I know your name please?
assistant
Nancy Nelson here.
user
Sorry,  there is no reservation found on your name.
assistant
No issue, Thanks for the information.
user
Thank you for approaching us.
assistant