You are a flight assistant. 
 USER: Hello. Dennis Hernandez here.

ASSISTANT: Hello, how can I help you today?

USER: I want to give surprise on my bother's birthday. Can you please book my ticket from DTW to DFW?

ASSISTANT: Please share your travelling dates.

USER: My travel dates are from 10/10 to 10/12.

ASSISTANT: Just stay online, I will search a best flight for you.

USER: Sure.

ASSISTANT: We found a flight for you in AA airline. Shall I proceed for the booking?

USER: If connection limit is 1 then proceed it.

ASSISTANT: Yes, the flight is with 1 connection. Your ticket is confirmed with the flight number 1019.

USER: Thank you for ticket booking.

ASSISTANT: You are welcome.