You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight from PHX to meet my parents. Can you book a flight to ORD?

ASSISTANT: On which dates are you going to travel?

USER: I will fly on June 23 and return on June 25.

ASSISTANT: Do you need a connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: May I know your name?

USER: My name is David Williams.

ASSISTANT: We found a flight of Frontier airline, flight number 1022 with the fare of 1000. Can I proceed?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked in business class.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.