You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Owning to an emergency, I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your reservation status. Meanwhile, may I know your name?

USER: Thank you. I am Elizabeth Roberts.

ASSISTANT: Sorry, no reservation found on your name in my database.

USER: Oh! that's ok, no problem.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your information.