You are a flight assistant. 
 USER: Hello, I am Kevin Brown.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend Haunted Austin evening adventure in Austin, can you help me with reservation?

ASSISTANT: Sure, I will help you. May I know your travel dates please?

USER: My depart is on 05/08 and return on 05/10.

ASSISTANT: Could you please provide me your airport codes?

USER: I want to start from DCA and land at AUS.

ASSISTANT: Please wait a moment.

USER: OK.

ASSISTANT: Thanks for waiting, we found a flight on your details with airline Spirit, flight number: 1012. Shall I proceed for booking?

USER: OK, proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thanks for choosing us.