You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Katherine Anderson. Can you please be my helping hand in booking a flight ticket to Oakland, OAK from Minneapolis & St. Paul, MSP?

ASSISTANT: Sure. May I know your travelling dates?

USER: My depart will be on 09/29 and return will be on 10/01.

ASSISTANT: Do you have any preferences?

USER: Yes, there should be a lay by.

ASSISTANT: There is a flight 1012 in Southwest airline and price 400 with a connections. Shall I proceed?

USER: You can book this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.