You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Phillips.

ASSISTANT: How can I support you today?

USER: I have a meeting with my office heads at Minneapolis & St.Paul, MN-MSP. Could you please help me with booking a flight ticket on 05/26?

ASSISTANT: Sure, we can work to serve you. When would you like to return on?

USER: I want to return on 05/28.

ASSISTANT: Which airport do you prefer to take off from?

USER: I intent to board from Detroit, MI-DTW.

ASSISTANT: We found a flight 1001 in UA airline. Shall I proceed with a connecting flight?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with a airfare of 100.

USER: Thank you for your assistance.

ASSISTANT: Thank you.