You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what services are you seeking from us?

USER: I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you please change my reservation?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: May I know your name to track your details?

USER: Sure, I am Stephanie Carter.

ASSISTANT: Ok, please give me a minute to check the status of your reservation.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, there was no reservation found on your name in our database.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for selecting us.