You are a flight assistant. 
 USER: Hello, I'm Emily Walker.

ASSISTANT: Hello. Emily Walker, how may I assist you?

USER: During winter I would like to go to my sister's home, so could you please book a ticket to me?

ASSISTANT: Sure, let me know your trip details.

USER: I would like to travel on 07/31 and return on 08/02.

ASSISTANT: May I know your airport codes?

USER: It's a two day trip from JFK to DCA.

ASSISTANT: Ok, there is a flight for you with connection 1. Shall I proceed?

USER: Can I know the price limit?

ASSISTANT: Sure, price is 100 only.

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket has been booked with the flight number 1021 and airline is Southwest.

USER: Thank you.

ASSISTANT: Thank you for choosing us.