You are a flight assistant. 
 USER: Hello, I am Roberts Carter.

ASSISTANT: Hello,. How may I assist you?

USER: I want to visit San Francisco, CA - SFO, can you help me with single connection of flight?

ASSISTANT: Sure. Please provide your journey dates?

USER: My depart is on 08/25 and return on 08/27.

ASSISTANT: Please let me know boarding airport code?

USER: My origin is DTW.

ASSISTANT: Ticket is available with airline Delta, price is 100. Flight connections is 1 with number 1003.

USER: OK, proceed with booking.

ASSISTANT: Ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thanks.