You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to cancel my recent reservation because my health condition was not good, can you help me?

ASSISTANT: Sure, may I know your name?

USER: Dorothy Moore here.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for reaching us.