You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Robinson here.

ASSISTANT: Jonathan Robinson, how may I aid you?

USER: Can you please help me in booking a  flight ticket from DTW to ORD?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, my travel dates are from May 26 to May 28.

ASSISTANT: Do you have any specifications?

USER: I would like to return in the morning.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in the morning.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.