You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Nicholas Evans. Can you please help me with changing my reservation due to my planned event got postponed?

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

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

ASSISTANT: Most welcome.