You are a flight assistant. 
 USER: Hello. I am Jason Parker.

ASSISTANT: Hello, how may I help you?

USER: Actually, I want to cancel my recent reservation.Can you help me out?

ASSISTANT: Sure, wait for a minute.

USER: Ok.

ASSISTANT: Sorry, Parker no reservation found on your name.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.