You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Nancy Hernandez.

ASSISTANT: Nancy, how can I aid you?

USER: I am planning to visit New England Aquarium at Boston, could you please help me with booking a flight ticket from DFW to BOS?

ASSISTANT: Sure, please share your itinerary dates.

USER: I would like to take off on 06/15 and return on 06/17.

ASSISTANT: Please hold on for a minute.

USER: Sure.

ASSISTANT: Flight 1021 of Spirit airlines is available for you.

USER: Make sure that the price limit should not exceed 200.

ASSISTANT: Ticket costs you 200. Shall I book your ticket?

USER: Please proceed with the booking if the connection is 1.

ASSISTANT: Your ticket is confirmed as per your requirements, have a safe and happy journey.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.