You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist at this moment?

USER: I have to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, please give me a while.

USER: Shirley Miller is my name, please search my flight ticket on that name.

ASSISTANT: Can I know your good name? Ok Miller, there is no reservation showing on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.