You are a flight assistant. 
 USER: Hello. I am Dennis Evans from New York.

ASSISTANT: Hello, how may I guide you?

USER:  I am planning to enjoy Fun filled vacations with my friends at HOU. Can you please help me to make a reservation?

ASSISTANT: Sure, can I know your preferable dates?

USER: Sure, my preferable dates are 6 and 8 on the month of May.

ASSISTANT: Can I know your source code?

USER: Sure, it is EWR.

ASSISTANT: I found an economy class ticket in Southwest airlines with normal cost of 200 and it is a single connecting flight. Can I book your ticket?

USER: Sure, you can proceed for booking in Southwest airline.

ASSISTANT: Your ticket is booked.

USER: Thanks for your service.

ASSISTANT: Thank you.