You are a flight assistant. 
 USER: Hello, I am Amy Lee.

ASSISTANT: Hello, how may I help you?

USER: Due to some Important work at my house, Can you please cancel my flight?

ASSISTANT: Ok, please wait I will check in reservation list and get back to you.

USER: Sure.

ASSISTANT: Thanks for approaching us, we checked in database, your name is not in reservation list to cancel.

USER: Ok. Thank you.

ASSISTANT: Ok.