You are a flight assistant. 
 USER: Hi, I am Betty Collins.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a flight ticket with price under 500, can you help me in booking flight ticket?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I would like to travel on 06/15 and return on 06/17.

ASSISTANT: Could you please provide me your airport codes?

USER: Ok, I want to travel from CA-LAX to MI-DTW.

ASSISTANT: Thanks for providing your details, we found a flight on your details with airline Hawaiian, flight number: 1014. Shall I proceed for booking?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.