You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Steven Martinez here.

ASSISTANT: How can I help you?

USER: Can you please make a reservation from AUS to DEN?

ASSISTANT: Let me know your travel dates in order to book a ticket.

USER: Sure, I want to travel on Feb 5 and intend to return on Feb 7.

ASSISTANT: Do you have any preference?

USER: Yes, I need a connecting flight and my return time must be in the afternoon.

ASSISTANT: Ticket is found with American airlines for price 200 having flight number 1028.

USER: Ok, please proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.