You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please book a ticket from DEN to PHX? As I'm planning to attend Phoenix.

ASSISTANT: Please provide your trip dates.

USER: Sure, my planned departure and return travel dates are 3rd and 5th of Dec.

ASSISTANT: Do you need any connection limit?

USER: I prefer single connected flight.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in the afternoon time.

ASSISTANT: May I know your name?

USER: My name is Ronald White.

ASSISTANT: There is a connecting flight in economy class with Southwest Airlines and ticket fare of 200. Shall I proceed?

USER: That's fine, you can proceed for booking the ticket.

ASSISTANT: Your ticket is confirmed in flight 1018.

USER: Thank you so much for your help.

ASSISTANT: Thank you for opting us.