You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Micheal Evans.

ASSISTANT: Micheal Evans. How may I help you?

USER: I want to book a ticket from BOS to DFW to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know your itinerary dates.

USER: I am departing on Apr 03 and return on Apr 05.

ASSISTANT: Please give me a moment.

USER: Sure. I want a flight with economy class.

ASSISTANT: American Airlines with flight 1024 is providing service on your route.

USER: Please proceed for booking.

ASSISTANT: Sure, your ticket is booked in the economy class with the cost of 100.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.