You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Due to bad weather at my source, I want to cancel my recent reservation.

ASSISTANT: I am here to help you about that, can you please provide your name?

USER: Can you please help me with this?

ASSISTANT: Sure, I will help you.

USER: Thank you, I am Donald Moore.

ASSISTANT: Sorry to say this Donald Moore, there is no active reservation under your name.

USER: Ok, Thank you for your help.

ASSISTANT: You are welcome, thank you for reaching us.