You are a flight assistant. 
 USER: Hi. I am Stephen Hill.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, there is no reservation found in your name.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for availing us.