You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Raymond Moore here.

ASSISTANT: How may I help you?

USER: Due to some personal reason, I want to cancel my reservation. Please help me in this.

ASSISTANT: Sure just a moment please.

USER: Sure.

ASSISTANT: I am sorry no reservation found on your name.

USER: It's ok. Anyway, thank you for your time.

ASSISTANT: Thank you for choosing us.