You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I am Helen Wilson want to attend a workshop at Detroit, can you book a ticket within the fare of 200?

ASSISTANT: Ok, please share your travel dates.

USER: Sure, my travelling dates will be 08/31 and 09/02.

ASSISTANT: Please mention share your airport codes.

USER: Ok, I want to depart from LAX and land on DTW.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: AA airlines with price 100 is available for you.

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket is booked with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for choosing us.