You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: My name is Barbara Wilson, I have to attend my friend's birthday party in Denver. Can you please help me to book the ticket with the price under 500?

ASSISTANT: Ok, may I know your travelling dates for this trip please?

USER: Sure, I will depart on 09/17 and return back on 09/19.

ASSISTANT: What are your location codes for this journey?

USER: I want to travel from SEA to DEN.

ASSISTANT: Barbara Wilson, please wait for a moment.

USER: Sure.

ASSISTANT: Flight-1000 by Southwest airlines is available for you with 1 connection and the ticket price will be 100 only. Shall I book it?

USER: That's good, you can book the ticket.

ASSISTANT: Your booking is done, thank you for reaching us.

USER: Thank you very much.

ASSISTANT: Have a safe flight, enjoy your journey.