You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I need a flight ticket from MSP to LAS. Can you please help me out?

ASSISTANT: Sure, can I know your name please to proceed further?

USER: My name is Lisa Allen.

ASSISTANT: May I know the travel dates please?

USER: My travelling dates are Feb 10 and Feb 12.

ASSISTANT: Do you have any requirements?

USER: I prefer my depart flight at evening time.

ASSISTANT: There is a flight in Southwest airline with connection 2, can I book it?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1022.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.