You are a flight assistant. 
 USER: Hello, I am Elizabeth Green.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a robotics workshop on 06/14 and return on 06/16.

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling airport codes are MI-DTW and NC-CLT.

ASSISTANT: Can I know your price limit?

USER: Price limit should not exceed 200.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: We found a flight on AA airline, flight number as 1015 with single connection.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.