You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hi,. How may I assist you ?

USER: I am planning to attend my childhood friend birthday in CA - LAX, will you help me in flight booking?

ASSISTANT: Definitely.

USER: My origin source from CA - OAK, and my travelling dates from 06/09 to 06/11.

ASSISTANT: There is a flight with airline Southwest, flight number 1000, price 300 having connection 1.

USER: Ok, confirm my booking.

ASSISTANT: Flight has been booked.

USER: Thank you, for your service.

ASSISTANT: Please provide your name ?

USER: My name is Michelle Campbell.

ASSISTANT: Thanks.