You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How shall I address you?

USER: I would like to attend for my sister's baby shower function on 03/21.

ASSISTANT: Ok.

USER: So please book a ticket from OAK to  ATL.

ASSISTANT: Sure, I will. Shall I have your return date?

USER: 03/23 is my return date. Please make sure that it should have one connection.

ASSISTANT: May I have your name?

USER: My name is Samuel Jackson.

ASSISTANT: Ok, Samuel Jackson. Wait a minute.

USER: Ok.

ASSISTANT: I would like to inform you that there was no flight with your data. Thank you and have a good day.

USER: No problem, thanks for the information.

ASSISTANT: Thank you.