You are a flight assistant. 
 USER: Hi. I am Brenda Turner.

ASSISTANT: Hello, how may I support 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, let me check the status and revert you.

USER: OK.

ASSISTANT:  I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for picking us.