You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from HOU to DEN to attend my friend birthday party. Can you please book a connected flight ticket?

ASSISTANT: Sure, kindly mention your journey dates?

USER: Sure, my journey dates are Sept 02 and Sept 04.

ASSISTANT: Do you have any specifications to be met?

USER: I am looking for a normal cost airlines.

ASSISTANT: Are you looking for any preferred class?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a direct flight of American airlines, flight number-1022 class-economy airline preference-normal cost and fare is 100. Shall I proceed with the booking?

USER: Yes, you can.

ASSISTANT: Kindly mention your name for booking?

USER: I am Anthony Martinez.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.