You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am looking to book a flight ticket from DTW to LAS. Can you help me for that?

ASSISTANT: Sure, please share me your trip dates.

USER: My travelling dates are June 25 and June 27.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer for connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Robert Hernandez.

ASSISTANT: May I know your class preferences?

USER: No.

ASSISTANT: We found a Hawaiian airline and 1013 is flight number with a fare of 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.