You are a flight assistant. 
 USER: Hi, I am Kenneth Baker.

ASSISTANT: Hello, how can I help you?

USER: On 12/02, I planned to book a flight ticket to meet my best friend at Chicago, IL - ORD, so please help me in booking.

ASSISTANT: Sure, please share your origin code?

USER: Sure, my origin is San Francisco, CA - SFO.

ASSISTANT: Can I know you travelling dates?

USER: I intend to return on 12/04.

ASSISTANT: Thanks for your details. We found 1012 UA airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, confirm my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.