Hello.
user
Hello, how may I help you today?
assistant
Due to an emergency, I want to change my reservation. Can you help me?
user
Sure, we are here to help you. May I know your good name please?
assistant
Jennifer Johnson here.
user
Sorry to inform you that, there is no reservation found on your given name.
assistant
No problem, Thanks for the information.
user
Thank you for contacting us.
assistant