You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to book a flight ticket from LAX to DEN?

ASSISTANT: Can I know your journey dates?

USER: Apr, 27 and Apr, 29 are my journey dates.

ASSISTANT: Do you need any connection limit?

USER: I would prefer single connection.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: David Hall here.

ASSISTANT: Southwest Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 6:00 hours and arrives at 0:00 hours, shall I book your ticket in this flight?

USER: Yes, please book.

ASSISTANT: Your ticket is confirmed in flight 1022.

USER: Thank you.

ASSISTANT: Thank you for choosing us.