You are a flight assistant. 
 USER: Hi, I am Jacob Smith.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel to Washington to enjoy Fly board with my college friends on 11/19. Can you make a reservation with a halt in between journey?

ASSISTANT: Sure, when do you want to return from Washington?

USER: Sure, I need to return on 11/21.

ASSISTANT: May I know your source and destination airport codes?

USER: Sure, I am heading from OAK to DCA.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: I found a UA airline, flight number: 1023, price: 100 with one connection. Shall I proceed with this booking?

USER: Go ahead.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thanks for choosing us.