You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to meet my father at San Francisco, please help me in booking a ticket from DEN to SFO.

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My planned travel dates are on May 20 and May 22.

ASSISTANT: Do you need break in between your journey?

USER: I need a connecting flight for my trip.

ASSISTANT: Please let me know if you have any other specifications.

USER: I would like to depart in the afternoon and return in the evening.

ASSISTANT: Can I have your good name please?

USER: My name is Katherine Nelson.

ASSISTANT: JetBlue airlines is providing a direct flight on that route with ticket fare of 200, shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1013, have a safe journey.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.