You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER: I made a reservation to watch the live cricket match, but due to bad weather conditions the match got postponed to other dates. Will you help me in changing my reservation?

ASSISTANT: Sure, I can help you that.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Nancy Wilson.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Unfortunately, there is no active reservation found on your name.

USER: No problem, thanks for your assistance.

ASSISTANT: Thanks for communicating with us, wish you a happy day.