You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I made a reservation earlier this week to give a seminar but due to some technical issues it got post pone. Can you please check the reservation on this name Brain Williams?

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for reaching us.