You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Charles Jackson.

ASSISTANT: Nice to meet you Charles.

USER: I need to cancel my reservation as my farewell party got cancelled. Can you help me?

ASSISTANT: Sure, I will help you with the cancellation of flight reservation. Please wait.

USER: Sure.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Ok fine, thanks for checking.

ASSISTANT: Thank you.