You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Christine Jones want to attend a workshop at Denver, can you book a ticket with price under 500?

ASSISTANT: Please provide your origin and destination airport codes.

USER: Sure, I want to fly from MSP and land on DEN.

ASSISTANT: May I know your itinerary dates?

USER: Yes, my travelling dates will be 05/11 and 05/13.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Southwest airlines with 1 connection is providing service on your preferred dates.

USER: Yes, proceed with my booking.

ASSISTANT: Jones, your ticket is confirmed in flight 1019.

USER: Thank you.

ASSISTANT: Thank you for choosing us.