You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Karen Anderson.

ASSISTANT: How may I help you?

USER: I am planning to visit San Francisco, will you help me in booking the flight ticket from DEN to SFO?

ASSISTANT: Sure, I am glad to help you. Can you please share your travel dates?

USER: My travelling dates are Jan 30 and Feb 01.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: May I know your depart and return time?

USER: My return time must be in afternoon.

ASSISTANT: Please wait for a while. Here, there is a flight with 1 connection in Hawaiian airlines and price is 200. Shall I book?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with the flight 1022.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.