You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I am Jason Johnson. I had planned to go on a trip, but it was cancelled due to some reasons. Can you cancel my recent reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: I have found a reservation on your name and cancelled it successfully.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: You are welcome.