You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I have to go New York for my film shooting purpose, can you please book a flight ticket from DCA?

ASSISTANT: Sure, I will help you.

USER: Thanks.

ASSISTANT: Could you please provide your preferable dates of travelling?

USER: My departure date is 01/31 and please book my return ticket also on 02/02.

ASSISTANT: Ok, may I know your destination airport code to proceed further?

USER: My destination airport is JFK.

ASSISTANT: On whose name I have to book this flight ticket?

USER: Please book this flight ticket under my name Nicole Davis.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 300. Is it ok for you?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been booked with flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great journey.

USER: Welcome.