You are a flight assistant. 
 USER: Hi. I am Scott Wilson.

ASSISTANT: Hello. How can I help you?

USER: As my interview is preponed, I need to change my reservation. Can you help me?

ASSISTANT: Please wait a while. I will check a inform you.

USER: No issue, thank you for your time. Ok.

ASSISTANT: There is no reservation on your name in our database.

USER: No problem.

ASSISTANT: Thank you for opting us.