Hello.
user
Hello. How can I help you?
assistant
Due to an emergency, I want to change my reservation. Can you help me?
user
Sure, I will help you to change your reservation.
assistant
Thank you.
user
Ok, may I know your name?
assistant
Joseph Anderson here.
user
Sorry, no reservation found on your name to change your reservation.
assistant
No problem, Thanks for the information.
user
Welcome, have a nice day.
assistant