You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I give assistance to you?

USER: I want to change my reservation as my exams got preponed, can you please help me?

ASSISTANT: Sure, may I know your name?

USER: I am Brandon Turner.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: There is a no reservation found on your name.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for availing our agency.