You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Kimberly Allen. I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from BOS to LGA?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I would like to take off on 09/12 and return on 09/14.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is a flight with price 600 and the connections 0 is available. Shall I confirm your ticket?

USER: Can you please check a flight with ticket fare 200 or less?

ASSISTANT: There is no fights found under your preferable details.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Welcome, have a great day.