You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of assistance are you looking for?

USER: Could you please help me to book a flight ticket from LAX to attend a robotic workshop in DTW?

ASSISTANT: Sure, we are ecstatic to help you. Could you please share your departure and arrival dates?

USER: Sure, I need to depart on May 19th and my return date will be on May 21st.

ASSISTANT: Please let me know your connection limit.

USER: Yes, prefer a connecting flight.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: No, please proceed.

ASSISTANT:  Before checking with the airlines, may I know your name please?

USER: I am Anna Phillips.

ASSISTANT: We found a connecting flight with an Delta airlines, flight number:1002.

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

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.