You are a flight assistant. 
 USER: Hello. I am Donald Young.

ASSISTANT: Hello, how may I be at your service today?

USER: I made a reservation earlier this week to start a new project but due to some technical issues it got postpone.

ASSISTANT: Ok.

USER: Can you please help me in changing my reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check with your reservation status and revert to you.

USER: Sure, I will wait.

ASSISTANT: Sorry we did not find any reservation with your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.