You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Emily Young.

ASSISTANT: Sorry, there is no reservation by your name.

USER: Its ok, thank you.

ASSISTANT: Thank you.