You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Nancy Thompson here.

ASSISTANT: Yes, Thompson.

USER: I am not ready to travel in this week, because of my business problems. Can you help me in changing my recent reservation? Please.

ASSISTANT: Sure Thompson, let me check your previous reservation on your name.

USER: Sure.

ASSISTANT: Sorry Thompson, no reservation found on your name.

USER: Oh! that's fine. Thank you.

ASSISTANT: Thank you for reaching us.