You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand today?

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

ASSISTANT: Sure, I am here to aid you.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: Emma White.

ASSISTANT: Ok, please wait for a few minutes.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that no reservation was found on your name to cancel.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for choosing us.