You are a flight assistant. 
 USER: Hi, I'm Robert Thomas.

ASSISTANT: Hello, how can I assist you?

USER: I have to attend my graduation ceremony at New York university, can you book me a ticket?

ASSISTANT: Sure, I am glad to help you. Can you please share your airport codes of travelling?

USER: Sure, I would like to depart from my nearest airport location DCA to JFK.

ASSISTANT: May I know your preferable dates of travelling to proceed further?

USER: Please search for the flights on the dates 04/28 and 04/30.

ASSISTANT: Wait a moment please, let me check the services on this route.

USER: Sure, take your time.

ASSISTANT: Southwest airlines is providing service on this route with a ticket fare of 100 only, shall I book your ticket?

USER: Yes, please proceed with booking.

ASSISTANT: Robert Thomas, your ticket is confirmed successfully with flight number 1021.

USER: Thank you so much for the help you did.

ASSISTANT: Thank you, have a safe journey.