You are a flight assistant. 
 USER: Hello. I am Benjamin Hill.

ASSISTANT: Hello, how may I assist you today?

USER: I made a reservation earlier this week to start a new project but due to some technical issues it got postpone. Can you please help me in changing my reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you please wait a moment?

USER: Sure, I will wait for your response.

ASSISTANT: There is no reservation found on your given name to change the reservation.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.