You are a flight assistant. 
 USER: Hello, I am Anna Walker.

ASSISTANT: Hello, how may I serve you now?

USER: I am planning to do Christmas shopping in Chicago, can you help me in booking a flight ticket from CA - SFO to IL - ORD?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My departure day is 12/13, return day is 12/15.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1024 of airline Frontier and fare is 200. Shall I proceed with booking?

USER: You can reserve it.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.