You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to meet my family after a long gap at Minneapolis, please help me in booking a ticket from PHX to MSP.

ASSISTANT: Sure, please share me your travel dates.

USER: My planned travel dates are on Dec 14 and Dec 16.

ASSISTANT: May I know your class preferences?

USER: I am fine with any class.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight for my trip.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is Dennis Johnson.

ASSISTANT: We found a Frontier airline and 1003 is flight number with a fare of 200. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for availing us.