You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Actually  my Snooker's Competition is postponed, so that I want to change my existing reservation, can you help me?

ASSISTANT: Sure, I will help you out.

USER: Ok.

ASSISTANT: Please provide me your name to check the previous reservation.

USER: Sure, my name is Laura Davis.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: No reservation found on your name. Sorry for that.

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

ASSISTANT: Thank you for reaching us.