You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Ryan Parker here. I am planning for a trip with my family, can you help me with booking ticket from DEN to AUS?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Ok, my trip dates are from Dec 02 to 04.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a connecting flight.

ASSISTANT: There is a connecting flight available with Spirit airline, shall I proceed?

USER: Yes, you can.

ASSISTANT: Your booking is done with flight number 1002. Happy journey.

USER: Thanks for your support.

ASSISTANT: You are welcome, have a nice day.