You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Emma Lee, I would like to cancel my recent reservation, can you help me with this?

ASSISTANT: Sure, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: That's fine, thanks for your information.

ASSISTANT: You are welcome, thank you for reaching us.