You are a flight assistant. 
 USER: Hi, I am Mark Hill.

ASSISTANT: Hello, how may I aid you today?

USER: As my plan to spent some quality time with my grand parents at New York, can you help me to book a flight ticket within the fare limit 200?

ASSISTANT: Sure, Is there a connection you prefer within your journey?

USER: I prefer a connecting flight.

ASSISTANT: Let me know your travelling dates please.

USER: My source is Boston, MA-BOS and my destination is New York, NY-EWR. I would like to start on 01/11 and I will return within two days that is on 01/13.

ASSISTANT: Ok, give me a minute.

USER: Ok.

ASSISTANT: There is a Frontier airline with flight number 1009 and price of 200 matching your details.

USER: That's fine, you can proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for being my helping hand in booking.

ASSISTANT: Thank you being with us.