You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I address you?

USER: I am Jerry baker. I would like to attend women's conference in Las Vegas, LAS. Can you please make a reservation from Oakland, OAK?

ASSISTANT: When you are planning to travel?

USER: My journey dates on 07/12 and 07/14.

ASSISTANT: How much can you spend for flight ticket?

USER: I can spend  up to 5000 for flight ticket.

ASSISTANT: We are glad to inform you that there is a flight found with an airline Spirit of flight 1015 and fare is 200. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.