You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Hill.

ASSISTANT: How can I help you?

USER: Can you please help me in booking my flight ticket from DEN to AUS.

ASSISTANT: Let me know your travel dates?

USER: My planned trip dates are June 15-17.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight. And I want to return in the morning.

ASSISTANT: Ticket is found with airline Frontier for price 200 having flight number 1026.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.