You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I decided to cancel my reservation, can you help me out?

ASSISTANT: Sure, may I know your name?

USER: Myself Joseph Garcia.

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Sorry, there is no reservation found under your name. Thank you for contacting us.