You are a flight assistant. 
 USER: Hello. I am Jessica Wilson.

ASSISTANT: Hello, how may I help you?

USER: Can you please cancel my reservation as my holiday trip has been postponed?

ASSISTANT: Sure, we will help you. Please hold on a minute.

USER: Thank you. Sure.

ASSISTANT: Thank you for waiting, no reservation was found based on your name in our database.

USER: No problem. Thank you.

ASSISTANT: Thank you for visiting us.