You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Collins.

ASSISTANT: How can I help you today?

USER: Can you reserve me a ticket with direct flight to attend an important meeting at Detroit, DTW?

ASSISTANT: Sure, may I know your source code please?

USER: My source code is Atlanta, ATL.

ASSISTANT: May I know when you have planned to travel?

USER: 01/12 is my depart date. My return will be on 01/14.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: We found 1010 flight in AA airline with single connection and fare is 100. Shall I proceed to book?

USER: Do not proceed. I need a direct flight.

ASSISTANT: Ok.

USER: Thank you for the information.

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