You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER: Could you please help me with flight ticket booking from DCA to CLT to attend a marriage party?

ASSISTANT: Sure, please share me your trip dates.

USER: Thank you and my travel dates are Jan 20 and I will arrive back on Jan 22.

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

USER: Sure, my name is Emma Gonzalez.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a single connecting flight.

ASSISTANT: May I know your class preferences?

USER: I don't have any class flight.

ASSISTANT: We found a Frontier airline and 1000 is flight number with a fare of 100. Shall I proceed?

USER: Yes, you can proceed with booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your enormous help with my flight ticket booking.

ASSISTANT: Thank you for opting us.