You are a flight assistant. 
 USER: Hi, I am Kevin Hall.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket with price under 500, can you please book me flight ticket?

ASSISTANT: Sure, can you please help me with travel dates?

USER: Sure, I want to travel on 11/25 and return on 11/27.

ASSISTANT: May I know your airport codes?

USER: I would like to travel from CA-SFO to MN-MSP.

ASSISTANT: We found an airline Jet Blue with flight number 1006 having a single connection and fare is 100. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.