You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I be a help for you?

USER: Actually, I booked a ticket to MSP for a music concert but due to bad weather, the concert is postponed.

ASSISTANT: Sure, let me check.

USER: Ok.

ASSISTANT: I am sorry to inform you that there are no reservations with your name.

USER: That's ok. Thank you.

ASSISTANT: Thank you. Can I know your name?

USER: My name is Margaret Harris.

ASSISTANT: Thank you.

USER: Thank you.