You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you at this moment?

USER: My holiday trip got postponed, can you please help me in changing the reservation?

ASSISTANT: Sure, please share your name to check your current reservation status.

USER: I am Edward Turner.

ASSISTANT: Sorry no reservation found on your name in our system.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you.