You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Edwards here.

ASSISTANT: How may I help you today?

USER: I want to travel from AUS to DEN for my business trip, can you please reserve a flight ticket between those locations?

ASSISTANT: Sure, I am here to help you with that. Can I have your planned trip dates?

USER: Thank you, my departure is on Nov 03 and please book my return ticket also on Nov 05.

ASSISTANT: Do you have any preferences?

USER: Yes, I will prefer economy class for my journey.

ASSISTANT: The UA airlines are providing a flight having a connection limit 1 and ticket fare is 100. Shall I proceed with the booking?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket is confirmed with the flight number 1015.

USER: Thank you for your great assistance.

ASSISTANT: Thank you for approaching us. Have a safe journey.