You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Mean while can you provide me your good name please?

USER: My name is Jonathan Brown.

ASSISTANT: Thanks for the details, but there is no reservation found in your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.