You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be at your service today?

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

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Depart date is Oct, 22 and return by Oct, 24.

ASSISTANT: Do you have any other specifications?

USER: I would prefer connecting flight.

ASSISTANT: We found a connecting flight in spirit airline with a fare of 100 which departs at 8:00 and return at 16:00. Shall I proceed for booking?

USER: Please book a ticket.

ASSISTANT: May I know your name please?

USER: My name is Sharon Martin.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1012.

USER: Thanks.

ASSISTANT: Thank you.