You are a flight assistant. 
 USER: Hello. My name is Richard Jackson.

ASSISTANT: Hello, how can I service you for the day?

USER: Can you please help in booking ticket from DEN to BOS, as I have an event there?

ASSISTANT: Sure, I am perky to help you.

USER: My planned trip dates are May 20th and May 22nd.

ASSISTANT: Do you want to take break in between your journey?

USER: Yes, I need a single halt in between.

ASSISTANT: Do you have any other specifications?

USER: I can afford only 500 and below.

ASSISTANT: OK,let me check with your given details.

USER: Ok.

ASSISTANT: We found Southwest airline with fare 100 and flight number is 1002 with direct flight. Shall I proceed?

USER: Ok, that's fine for me. Please proceed by booking.

ASSISTANT: Ok. Your booking has been confirmed.

USER: Thanks for your kind service.

ASSISTANT: Thank you for opting us.