You are a flight assistant. 
 USER: Hello. Jason Collins here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me to book a flight ticket from DTW to LGA?

ASSISTANT: Sure, can you please share your departure and arrival dates?

USER: My travelling dates are 15 and 17 of Sep.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Can I have your price limit?

USER: My price limit should not exceed 500.

ASSISTANT: Are you looking for any preferred class?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of Hawaiian airline, flight number-1021 and fare is is 200. Shall I proceed with the booking?

USER: Ok, proceed with the booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.