You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Nelson.

ASSISTANT: Nancy Nelson, how may I aid you?

USER: I am looking for a flight which is having a connection limit 1, can you please find a flight from Dallas & Fort Worth to Detroit?

ASSISTANT: Sure, please provide your airport codes. May I know your itinerary dates?

USER: The nearest airport codes are DFW and DTW.

ASSISTANT: Do you have any specifications?

USER: I need a flight which is returning in the morning time on the dates of July 22 and 24.

ASSISTANT: At what time do you want to travel?

USER: I need a flight which is returning in the morning time.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Delta airlines with flight 1012 is providing service with a connecting flight and ticket costs you 300 in business class.

USER: I am ok with this flight, please proceed with the ticket booking.

ASSISTANT: Your ticket is reserved. Flight departs at 22:00 PM and arrives at 10:00 AM.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: Thank you for choosing us.