You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of service your looking for?

USER: Please help me in booking flight ticket from LAX to IAD.

ASSISTANT: Sure, please share me your travel dates.

USER: My trip dates are Sept 11 to Sept 13.

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

USER: Rebecca Clark.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your class preferences?

USER: I don't have any class preference.

ASSISTANT: We found a Frontier airline and 1006 is flight number with a fare of 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.