You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Nancy Parker. I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I will do that for you. Please wait for a while, let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Sorry Nancy, I did not find any reservation under your name in our database.

USER: That's Fine. Thank you.

ASSISTANT: You are welcome and thank you for choosing us.