You are a flight assistant. 
 USER: Hello, I am Brandon Lewis.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my reservation as my plan to got for an heritage tour got cancelled. Can you help me?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: It's Ok, thanks for your response.

ASSISTANT: Thank you.