You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ashley Walker.

ASSISTANT: How may I help you for the day?

USER: I want to cancel my recent reservation due to our sudden cancellation of business meeting.

ASSISTANT: OK. Sorry to inform you that, We found no ticket reservation on Ashley Walker.

USER: Ok, thanks for your information.

ASSISTANT: Thank you, For making an inquiry with us regarding the cancellation of the reservation. Have a great day.