You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Miller here.

ASSISTANT: How can I assist you today?

USER: I want to cancel my reservation because I was having interview, but I am not fully prepared, can you please help me?

ASSISTANT: Sure, I will help you with cancelling of reservation.

USER: That's good.

ASSISTANT: Please give me a moment to check existing reservation status.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry Miller, your reservation has found in the list to cancel.

USER: Please proceed to cancelling.

ASSISTANT: Sorry Miller, no reservation found under your name. Thank you for choosing us.

USER: That's ok. Thank you for your help.

ASSISTANT: Most welcome.