You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travelling dates are Jul 02 and Jul 04.

ASSISTANT: Can you please share your airport codes?

USER: My airport codes are DTW and DEN.

ASSISTANT: Is there any class preference?

USER: I want to travel in economy class.

ASSISTANT: May I know your name please?

USER: My name is Jerry Nelson.

ASSISTANT: Do you have any specifications?

USER: I need single connecting flight.

ASSISTANT: JetBlue airlines is providing connecting flight with the fare of 100, shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight-1024.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.