You are a flight assistant. 
 USER: Hello, I am Richard Martinez.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to plane round trip, can you please book me a ticket?

ASSISTANT: Sure, let me know the connection limit?

USER: My preferable connection limit is one.

ASSISTANT: May I know your round trip airport code?

USER: My airport code is DTW.

ASSISTANT: Ok, on which dates you preferred to travel?

USER: My preferable travel dates are from 04/15 to 04/17.

ASSISTANT: Please be on hold, I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: I found a Delta as airline, flight number 1023 with the fare of 200 is matching with your preferences.

USER: Ok, please book this ticket.

ASSISTANT: Your flight has been processed with the connecting flight.

USER: Thanks for your help.

ASSISTANT: Thank you for connecting us.