You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid 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 change my reservation which was made on the name of Larry Phillips?

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thanks for being hold, there was no reservation found on your name.

USER: Ok, thank you for your service.

ASSISTANT: Thank you for choosing us.