You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you now?

USER: Can you please book a  flight from DTW to ORD?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: Thank  you. I have  planned my travel  dates as June 09 and June 11.

ASSISTANT: Do you have any limit on number of connections?

USER: I am  looking for single connecting flight.

ASSISTANT: May I know your other requirements for the journey?

USER: I would like to depart in morning time so please make sure that.

ASSISTANT: Let me know your name to proceed further.

USER: Sure, myself David Carter.

ASSISTANT: Frontier airlines is providing you the connecting flight, shall I reserve it?

USER: That is fine,  please proceed with booking.

ASSISTANT: Your ticket has been reserved with flight 1025.

USER: Thank you for your  help.

ASSISTANT: My pleasure.