You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: Laura Robinson here.

ASSISTANT: Yes Robinson.

USER: I would like to change my reservation due to heavy snowfall in my location, can you help me?

ASSISTANT: Sure, I will help you to change your reservation.

USER: Thank you.

ASSISTANT: Sorry Robinson, no reservation found on your name to change your reservation.

USER: That's fine, not an issue. Thank you for helping me.

ASSISTANT: Welcome, have a nice day.