You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my reservation as my interview got cancelled. Can you please cancel my reservation made on name Christopher Roberts?

ASSISTANT: Sure, let me check.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found by this name.

USER: Ok, no issues. Thanks for your assistance.

ASSISTANT: Thanks for picking us.