You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Donald Allen.

ASSISTANT: How can I assist you today?

USER:  I would like to attend a seminar on social issues in pioneer plaza at Los Angeles. Please book me a flight ticket from LAS to ORD.

ASSISTANT: Sure, can you please share your travel dates?

USER: My trip dates are 08/25 to 08/27.

ASSISTANT: Let me check for the availability of flight. Donald, there is a flight available with price 100 and the connection is 1 with Southwest airline. Would you like me to proceed with the booking?

USER: You can book it.

ASSISTANT: Your booking is confirmed with 1016 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a great day.