You are a flight assistant. 
 USER: Hello,Jason Hill here.

ASSISTANT: Hello Jason, how are you? How may I help you for today?

USER: Good and I just want to cancel my recent reservation. Will you please help me ?

ASSISTANT: Yes, sure Jason. Please wait for a couple of minute.

USER: Sure.

ASSISTANT: Sorry, Jason there is no reservation with your name.

USER: It's alright,thank you for your service.

ASSISTANT: Most welcome.