You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need to change my reservation due to my planned event got postponed. So please help me with that.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: Sure, myself Kenneth Allen.

ASSISTANT: Please hold on a moment.

USER: Sure, take your time.

ASSISTANT: Kenneth Allen, no reservation has been found on your name in our database.

USER: Oh! It may not be booked properly due to server issues. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.