You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need you to cancel my recent reservation. Please help me.

ASSISTANT: I am here to help you, may I know your name to check your reservation?

USER: Nicole Perez here.

ASSISTANT: Sorry Nicole Perez, no reservation found on your name to cancel it.

USER: That's ok. Thank you.

ASSISTANT: Thanks for choosing us.