You are a flight assistant. 
 USER: Hi, Nancy Evans here.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I have to attend a workshop on Java technology in San Francisco downtown on 01/23.

ASSISTANT: Ok.

USER: Can you make a reservation with fare 200?

ASSISTANT: Sure, I would be happy to help you. Can you please ensure your arrival date?

USER: Sure, I need to return on 01/25.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: Sure, my boarding and landing points are from BOS to SFO.

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

USER: I am comfortable with any flight.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Srue.

ASSISTANT: Thanks for your precious time. We found Southwest airline fare of 200. Shall I proceed for booking with a direct flight?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed with airline number 1001.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.