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 EWR to IAD. Could you book a ticket?

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

USER: Departure date is Mar, 24 and return by Mar, 26.

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 300 which departs at 20:00 and return at 20:00. Shall I proceed for booking?

USER: Please book a ticket.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1013. May I know your name please?

USER: My name is Sharon Brown.

ASSISTANT: Thank you for choosing us.

USER: Thank you.