You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Your good name please?

USER: I am Jason Thomas.

ASSISTANT: Thank you, What can I do for you today?

USER: I am planning for a round trip to New York, NY - LGA. Can you help me to book a connecting flight?

ASSISTANT: Sure. May I know your planned travel dates?

USER: I want to fly on 03/21. I intend to return on 03/23.

ASSISTANT: Do you have any price limit?

USER: The price should not exceed 500.

ASSISTANT: Ok. There is a flight for you in Southwest airline with a connection. Price is 100.

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your booking has been made with 1006 flight.

USER: Thanks for making me happy with your service.

ASSISTANT: Thanks for using our service.