You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand today?

USER: Due to heavy rain, I want to change my reservation. Can you help me?

ASSISTANT: Sure, we are euphoric to help you. May I know your name please?

USER: Jennifer Lopez here.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry there is no reservation found with your name.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for approaching us.