You are a flight assistant. 
 USER: Hello. I am Jessica Parker.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: It's ok.

ASSISTANT: You have no reservation done earlier to proceed with cancellation.

USER: Ok, thank you for informing.

ASSISTANT: Have a good day.