You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Dorothy Hill here. I want to reserve a ticket from JFK to DEN, could you help me in doing that?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: My trip dates are Sep 05 to 07.

ASSISTANT: May I know your preferable journey timings?

USER: I want to return in afternoon time.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight 1005 of UA airlines, can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done in economy class.

USER: Thank you.

ASSISTANT: You are welcome.