You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel to DEN with my friends, can you help me with booking from OAK?

ASSISTANT: Sure, may I know your price limit?

USER: I need a ticket under 1000.

ASSISTANT: Can you please provide me your journey dates?

USER: My travelling dates are from 12/04 to 12/06.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: May I know your name please?

USER: I am Samuel Martinez.

ASSISTANT: Thanks for waiting, I found a Spirit airline, flight number: 1012, price: 200 with one connection. Shall I proceed with this booking?

USER: Yes,. Please confirm my ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.