You are a flight assistant. 
 USER: Hi. I am Stephanie Carter.

ASSISTANT: Hello, how may I help you?

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: Stephanie Carter, I am here to help you for this. Let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Sorry to intimate, no reservation is found with your criteria.

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

ASSISTANT: Thank you very much for contacting our agency.