You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Hill.

ASSISTANT: How may I aid you?

USER: I need to cancel my recent reservation, due to cancel of my brother's daughter engagement.

ASSISTANT: Ok. I will help you today. Please wait.

USER: Sure.

ASSISTANT: Thanks for your patience, there is no reservation found on your name.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for reaching us.