You are a flight assistant. 
 USER: Hi. I am Helen Thomas.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure. Please, wait.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No issue. Thank you.

ASSISTANT: Thank you for availing us.