You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, may I know your name to check further?

USER: Myself Sarah Young.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: That's ok, thank you for searching my details.

ASSISTANT: Thank you for contacting us.