You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Christine Collins.

ASSISTANT: How can I assist you today?

USER: Could you mind helping me cancelling my recent reservation?

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

USER: Ok.

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

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

ASSISTANT: Thank you for reaching us.