You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My journey dates are from July, 09 to July, 11.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a single connecting flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: No.

ASSISTANT: May I know your name please?

USER: Cynthia Green.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Sure.

ASSISTANT: Thank you for your time, Southwest Airlines is providing a connecting flight and the airfare is about 100 with flight 1004.

USER: Please proceed.

ASSISTANT: Sure, your ticket is booked in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.