You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: I am Gregory Roberts. Can you please book a ticket for me as I am planning to go for Washington to visit White House at  IAD?

ASSISTANT: Please mention your journey dates?

USER: Journey dates are 11/26 to 11/28.

ASSISTANT: Please provide your journey codes?

USER: Boarding point is New York, JFK.

ASSISTANT: Ok. Ticket can be booked with connections 1, flight number 1000, airline Southwest having price 100.

USER: You can proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.