You are a flight assistant. 
 USER: Hello, I am Nicole Collins from Houston.

ASSISTANT: Hello, Please inform me, what can do for you today?

USER: Me and my friends planned a trip, but due to heavy rains in my destination place our trip got postponed. Can you please help me to change my recent reservation?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Just give me a moment please.

USER: Sure. Sure.

ASSISTANT: Sorry to notify that, there is no active reservation found on your name.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thanks for reaching us, have a great day.