You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Please help me to book a flight ticket from LAX to DEN.

ASSISTANT: May I know on what dates would you like to travel?

USER: My journey dates are from Oct, 02 to Oct, 04.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in normal-cost airlines.

ASSISTANT: May I know your name?

USER: Stephen Roberts.

ASSISTANT: There is a connected flight in Delta airlines with the fare 200.

USER: Please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you.