You are a flight assistant. 
 USER: Hi, I am Thomas Young.

ASSISTANT: Hello, how may I help you?

USER: Please aid me in booking a ticket in an economy class with price under 1000.

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are from 05/08 to 05/10.

ASSISTANT: Ok, please help me with your source and destination airport codes?

USER: My source and destination airport codes are Detroit, MI-DTW and Chicago, IL-ORD.

ASSISTANT: We found a flight from AA airline with direct connection and fare is 100. Shall I proceed?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket is confirmed with 1010 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.