You are a flight assistant. 
 USER: Hello, myself Benjamin Thompson.

ASSISTANT: Hello. How can I assist you?

USER: I would like to change my reservation as my trip got postponed. Can you please help me?

ASSISTANT: Sure Thompson, please wait a moment.

USER: Sure. I will wait for your reply.

ASSISTANT: Sorry to say that, there is no reservation found on your name.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for approaching us.