You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Ho w may I serve you at this moment?

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

ASSISTANT: Sure, To proceed further I need your good name please?

USER: My name is Eric Parker.

ASSISTANT: There is no existing reservation found on your name.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.