You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a Seminar in Denver. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates are June 14 and June 16.

ASSISTANT: Help me with the airport codes?

USER: My airport codes are PHL and DEN.

ASSISTANT: May I know your good name please?

USER: George Turner.

ASSISTANT: Do you have any preferences?

USER: I prefer single connecting flight.

ASSISTANT: We found a flight in an airline JetBlue with 1019 number having a single connection in an economy class. Shall I reserve it for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.