You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Ronald Garcia here. Please help me out in booking the ticket from DEN to AUS.

ASSISTANT: Sure, let me know your travelling dates.

USER: My trip dates will be Jun 16 to Jun 18.

ASSISTANT: May I know your connection limit?

USER: Flight has to be with single connection.

ASSISTANT: Can you please share your depart time and return time?

USER: My return time must be in the evening.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found a Hawaiian airline, flight number: 1020, return time: 1:00AM, price: 100 with one connection.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you, have a good day.