You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please check for the flights on the route from BOS to DEN?

ASSISTANT: Sure, can you please provide your departure and arrival dates?

USER: My journey dates are from Oct 20 to Oct 22.

ASSISTANT: Are you looking for any preferred class?

USER: Any class will be ok but my depart time will be in afternoon.

ASSISTANT: Do you have any other specifications to be met?

USER: I need 1 connection flight.

ASSISTANT: Kindly mention your name?

USER: Myself Mark Phillips.

ASSISTANT: We have found a connected flight of United airlines, flight number-1018 class-economy depart time-afternoon 15:00 PM and fare is 200.

USER: Please book it.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for helping me.