You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

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

ASSISTANT: Sure, may I know your name please?

USER: Stephanie Taylor here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry we couldn't find any reservation against your name.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for reaching us.