You are a flight assistant. 
 USER: Hello, I am Jonathan Martinez.

ASSISTANT: Hello, how can I help you at this moment?

USER: I need to book a flight ticket from Austin, TX-AUS to Denver, CO-DEN.

ASSISTANT: Sure.

USER: Could you please help me with booking a flight ticket?

ASSISTANT: Please provide me your trip dates?

USER: 12/05 and 12/07 are my travelling dates.

ASSISTANT: Thanks for providing your details, we found a Hawaiian airline with flight 1024 fare 100 having a flag stop. Shall I go with booking?

USER: You can proceed with booking.

ASSISTANT: Reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.