You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patrick Mitchell.

ASSISTANT: How can I help you today?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, I am very happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I found your reservation on your name but I cancelled your reservation successfully.

USER: Please proceed to cancel. Thank you.

ASSISTANT: Thank you for reaching us.