You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I am Matthew Rodriguez here, I would like to visit Los Angeles, can you please help me to reserve my ticket from EWR on 07/19?

ASSISTANT: Sure, may I know your destination airport code?

USER: Ok, my destination airport code is LAX.

ASSISTANT: Can you please share your return journey date?

USER: Sure, my return date is on 07/21.

ASSISTANT: Please wait for a while.

USER: Sure, take your time. Please make sure that the price limit is 200.

ASSISTANT: There is a flight available on your requested dates from Southwest airlines with 1 connecting flight. Shall I confirm your booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked with flight 1018.

USER: Thank you for your help.

ASSISTANT: Thank you for flying with our service.