You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please book a ticket with direct flight to meet my family?

ASSISTANT: Sure, May I know your travelling dates?

USER: I have planned to travel on Oct 07th and return on Oct 09th.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: I will fly from DCA to JFK.

ASSISTANT: Ok, Do you have any other requirements related to booking?

USER: Yes, I prefer direct flight only and I don't want any preferences.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your time, we found a direct flight in 1022 Southwest Airlines with a fare of 200. Can I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Ok, May I know your name?

USER: Myself Stephen Taylor.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.