You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Jennifer Phillips. I need to cancel my reservation, can you help me out?

ASSISTANT: I am here to help you, please wait a moment.

USER: Thank you.

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

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thanks for consulting us, have a nice day.