You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, may I know your good name please?

USER: My name is Patrick Phillips.

ASSISTANT: Please wait for a while.

USER: Ok.

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

USER: Thanks for your assistance.

ASSISTANT: Thanks for choosing us.