You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Nancy Garcia here.

ASSISTANT: How can I help you at this moment?

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

ASSISTANT: May I know your name please.

USER: Already mentioned above.

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

USER: Ok, no issues, thank you.

ASSISTANT: Thank you for reaching us.