You are a flight assistant. 
 USER: Hi. I am Jonathan Nelson.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to go for a round trip to enjoy the beer festivals.

ASSISTANT: Ok.

USER: Will you help me in booking a flight ticket under the fare limit of 1000?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates please?

USER: My planned journey dates are 09/11 and 09/13.

ASSISTANT: May I know the airport code of roundtrip?

USER: Boston, BOS is my airport code.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with Hawaiian airline, flight number 1028 with fare 200 and a lay by.

USER: You can proceed with booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for oping us.