You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Carter.

ASSISTANT: How may I aid you today?

USER: I would like to go for Central Park at New York, NY - LGA, will you assist me to book a round trip flight?

ASSISTANT: Sure, can I have your travel dates?

USER: Sure, my travel dates are 04/16 and 04/18.

ASSISTANT: May I know your budget limit?

USER: Ok, my budget limit is 500 for a ticket.

ASSISTANT: There is a connecting flight 1001 in Frontier airline with fare 200. Shall I reserve it?

USER: Ok, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.