You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you toady?

USER: Due to some climatic changes I planned to cancel my recent reservation. Can you help me with that?

ASSISTANT: Sure, I will help you. May I know your name for cancelling reservation?

USER: My recent reservation is booked with name Pamela Moore.

ASSISTANT: Ok, let me check, I will get back to you.

USER: Ok.

ASSISTANT: No previous reservation found on your name Pamela Moore.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us,  have a good day.