You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from AUS to EWR. Could you book a ticket?

ASSISTANT: Please share your trip dates?

USER: Depart is by June, 20 and return date is June, 22.

ASSISTANT: Is there any concern with connecting flight to travel?

USER: I would prefer connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Michelle Harris.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: Frontier Airlines is providing connecting flight with the ticket fare of 100 and depart time is 7:00 hours, arrival time is 10:00 hours. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1007.

USER: Thanks.

ASSISTANT: Thank you for choosing us.