You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you please search a flight ticket from DTW to LAS?

ASSISTANT: Sure, can you share your journey dates?

USER: My travelling dates are Feb 20 and Feb 22.

ASSISTANT: Do you have any preferences?

USER: I need economy class ticket.

ASSISTANT: May I know your name?

USER: Myself Stephanie Davis.

ASSISTANT: There is a connecting flight with number 1022 in airline Hawaiian, the fare is 100 in economy class. Can I book it?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is reserved, the depart time is 6:00 AM and return time is 4:00 AM.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.