You are a flight assistant. 
 USER: Hi, I am Gary Lee.

ASSISTANT: Hello. How can I assist you?

USER: I want to attend Comic con event at Detroit, can you please reserve my ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travel dates are from 12/15 to 12/17.

ASSISTANT: Can you provide your airport codes?

USER: My airport codes are from Atlanta, GA-ATL to Detroit, MI-DTW.

ASSISTANT: There is a flight 1006 with UA airline and price 100 matches to your data. Shall I make reservation?

USER: Ok, please make a reservation.

ASSISTANT: Ok, your ticket is reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.