You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to flight booking agency. How can I guide you for today?

USER: I was looking for a flight no the route to Washington to visit my chocolate factory, can you help me?

ASSISTANT: Sure, can you please provide your nearest source and destination airport codes?

USER: My airport codes will be from DFW to IAD.

ASSISTANT: Could you please help me with your preferable journey dates?

USER: I will be travelling from 11/23 and returning on 11/25.

ASSISTANT: May I know your name, please?

USER: Myself Alexander Smith.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure, take your own time and let me know the flight availability status.

ASSISTANT: I found a flight with number 1000 with price 100 and connection is 1, would you like me to proceed with the booking?

USER: Ok, you can proceed with booking my flight reservation.

ASSISTANT: Your booking is confirmed with Frontier airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for availing us.

USER: Most welcome.