You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Steven Evans here. I want to travel from LGA to HOU for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you out. Please provide me your trip dates.

USER: My travelling dates are from 08/23 to 08/25.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: In my search, I found a flight for you with single connection.

USER: Make sure my price limit is 500.

ASSISTANT: Your ticket is booked with flight number 1005 and airline is Spirit.

USER: Thanks for helping me.

ASSISTANT: The ticket fare is 200.

USER: Thanks for helping.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.