You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket from DEN to CLT, Can you please help me for booking?

ASSISTANT: Sure, please share me your trip dates.

USER: I would like to travel on 04/22 to return on 04/24.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a direct flight.

ASSISTANT: May I know your specifications?

USER: I need a normal cost airline.

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

USER: Jonathan Brown.

ASSISTANT: We found a Hawaiian airline and 1019 is flight number with a fare of 200. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.