You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I have made a reservation in the month of May to attend an official meeting in police academy but the meeting got postponed to other dates, can you modify my recent booking?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: Can you please provide your name to check your previous reservation?

USER: Yes, I am Jessica Jackson.

ASSISTANT: Ok Jessica, please be on hold to check.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no reservation found in our records with the name of Jessica Jackson.

USER: Ok, that's fine, no problem with that one. Thank you for your help in my searching.

ASSISTANT: Thank you for approaching us, have a great day.

USER: Welcome.