You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. Do you require any assistance?

USER: Due to some technical issues, the cultural event that I have to participate got postponed. Can you please help me in changing my earlier reservation?

ASSISTANT: Ok. May I know your name?

USER: I am Ashley Garcia.

ASSISTANT: No reservation found with name Ashley Garcia.

USER: Ok, thanks for the information.

ASSISTANT: Have a great day!.