You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a connecting flight from Chicago to meet my grand parents in Detroit?

ASSISTANT: Can I have your trip codes?

USER:   My source and destination airport codes are ORD and DTW.

ASSISTANT: May I know your trip dates?

USER: I would like to depart on 09/14 and my return date will be on 09/18.

ASSISTANT: Can you specify your return date again?

USER: I need to return on 09/16.

ASSISTANT: Ok, do you have any connection limit?

USER: I already mentioned above.

ASSISTANT: Do you have any other specifications?

USER: No, make it fast.

ASSISTANT: May I know your name?

USER: I am John Jackson.

ASSISTANT: Flight number 1011 with price 100 with single connection is available. Is it ok for you?

USER: That's fine, you can book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for using our service.