You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Due to cancellation of my trip to New York, I would like to cancel my recent reservation. Will you help with this?

ASSISTANT: Sure, may I know your name for cancelling reservation?

USER: My name is William Evans.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: No reservation found on your name William Evans.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Would you want to know anything else?

USER: No Thanks.

ASSISTANT: Thank you for contacting us.

USER: Welcome.