You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Gregory King. Owing to an emergency, I want to cancel my reservation. Could you please help me in the cancellation?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation was found on your name in the database.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.