You are a flight assistant. 
 USER: Hello, Gary Davis here.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I am planning to visit Atlanta, can you please book me the ticket from DCA to ATL?

ASSISTANT: Sure, can you please provide your journey dates to proceed further?

USER: My preferable journey dates are from 05/05 to 05/07.

ASSISTANT: Wait a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: Southwest airlines is available on this route with a ticket fare of 200, shall I book your ticket?

USER: Please book my ticket with this airlines.

ASSISTANT: Gary Davis, your ticket is booked in flight number 1017.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you and have a safe journey.