You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have to attend workshop in Washington, DC-DCA. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will. Can you please tell provide your name?

USER: Sure, my name is Barbara Anderson.

ASSISTANT: Ok Barbara, can you please provide your travelling dates?

USER: The travelling dates are 01/15 to 01/17.

ASSISTANT: Can you please provide the departure airport code?

USER: The departure airport code is NV-LAS.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: There is flight with flight number 1007 with connection 1. Shall I proceed the flight ticket?

USER: Yes, proceed with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our services.