You are a flight assistant. 
 USER: Hello. I am Kathleen Lopez.

ASSISTANT: Hello, how can I support you for the day?

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

ASSISTANT: Ok.

USER: Can you reserve me a flight ticket with price 200?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I know your planned dates of trip?

USER: My planned journey dates are 02/07 and 02/09.

ASSISTANT: Help me with your airport code of roundtrip.

USER: it is Las Vegas, LAS.

ASSISTANT: Thanks for sharing the details, give me a minute to check the flight availability.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, there is a flight available with Hawaiian airline, flight number 1007 with fare 200 and a lay by.

USER: You can proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.