You are a flight assistant. 
 USER: Hello. I am Brandon Anderson.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a ticket to give my conference at Houston on 04/27. Could you please help me in booking a return ticket on 04/29?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My airport codes are DEN and HOU.

ASSISTANT: Ok, please wait for a moment. We found a Hawaiian airline, flight number: 1016, price: 100 with one connection. Shall I proceed to booking?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.