You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brandon Moore.

ASSISTANT: How may I aid you?

USER: I need to change my existing flight due to my dance competition got postponed, can you please help me?

ASSISTANT: Sure, I am here to help you. Please hold on a minute, I will check the records.

USER: I will be waiting.

ASSISTANT: Sorry to inform that, there are no reservation found on your given name.

USER: That's ok, thank you for searching the details.

ASSISTANT: Thanks for reaching us, have a nice day.