You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best serve you now?

USER: Can you please help me in booking a flight ticket from Las Vegas, LAS to reach Dallas, DFW?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your trip dates?

USER: My journey dates are from Oct 28 to Oct 30.

ASSISTANT: Is there any class preference for you?

USER: I am comfortable with any class.

ASSISTANT: Do you need any way station in your journey?

USER: I need a connection in between journey.

ASSISTANT: May I know your name please?

USER: My name is Samantha Wilson.

ASSISTANT: We found a direct flight with fare of 200 and 1003 flight number. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your seat has been reserved with United Airlines in economy class.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.