You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Kevin Clark. I need to attend my friend's wedding in Oakland.Can you book a ticket from LAS to OAK?

ASSISTANT: On what dates you like to travel?

USER: I want to travel on 08/28 and 08/30.

ASSISTANT: Just a moment please.

USER: Sure, take your time.

ASSISTANT: I find a flight for you with single connection, can I proceed for booking it costs you 300?

USER: Yes, proceed to booking.

ASSISTANT: Your booking is done in Southwest airlines and 1021 flight. Have a great day.

USER: Thank you for helping me out.

ASSISTANT: Thanks for using our service.