You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Richard Campbell here.

ASSISTANT: How can I assist you today?

USER: Due to changes in my busy schedule, I want to cancel my recent reservation. Please help me with that.

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Sure.

ASSISTANT: Richard, there is no reservation found under your name.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome.