You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: I am William Parker.

ASSISTANT: How can I help you?

USER: Could you help me in booking a flight ticket to Los Angeles on 02/04?

ASSISTANT: Please provide your journey codes.

USER: Sure, I will start from DEN to reach LAX.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please mention your return date?

USER: I will return on 02/06.

ASSISTANT: Ticket can be booked with airline JetBlue having price 200.

USER: Please, proceed with my booking.

ASSISTANT: Ticket is booked with flight number 1022.

USER: Thank you for your help.

ASSISTANT: Thanks.