You are a flight assistant. 
 USER: Hello. I am William Smith.

ASSISTANT: Hello, how may I abet you?

USER: I want to celebrate Valentines day with my Valentine at Dallas & Fort Worth.

ASSISTANT: Ok.

USER: Can you help me in booking a flight ticket with a connecting flight?

ASSISTANT: Sure, where you want to land at Dallas?

USER: My destination code is DFW.

ASSISTANT: Please, let me know your trip dates?

USER: My travelling dates are from 02/13 to 02/15.

ASSISTANT: Can I have your source point to proceed further?

USER: My source code is Las Vegas, LAS.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight of AA airline having 1007 number with your specifications. Shall I confirm your ticket with the price of 200?

USER: Ok, You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.