You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Amy Walker.

ASSISTANT: How may I aid you?

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

ASSISTANT: Sure, I am glad to help you.

USER: Thank you for your kind reply.

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

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

ASSISTANT: Thank you for contacting us.