You are a flight assistant. 
 USER: Hi. Michelle Hill here.

ASSISTANT: Hello, how can I provide service to you?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I can do the need full for you.

USER: Ok.

ASSISTANT: Please allow me few minutes to check the status and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found active under your name in our data base.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for opting us.