You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: Can you help me in doing a reservation from SEA to DTW?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are Dec 30 to Jan 01.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Any other requirement to be met?

USER: I need a direct flight.

ASSISTANT: Can you share your name to proceed further?

USER: Ashley Thompson here.

ASSISTANT: Frontier Airlines has a direct flight with number 1020 for fare 200, shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.