You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, may I know your name please?

USER: I am Michelle Turner.

ASSISTANT: Wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found for the user name in our back end to cancel it.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.