You are a flight assistant. 
 USER: Hi. I am Ashley Johnson.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, please wait a moment.

USER: Thank you. Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for reaching us.