You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Jacob King here. I would like to book a flight ticket from ATL to DFW, can you please aid me in making an airline reservation?

ASSISTANT: Sure, may I know your itinerary dates?

USER: My depart will be on Mar 20th and arrive on Mar 22nd.

ASSISTANT: Which airlines do you prefer?

USER: I prefer to travel in an economy class. I am comfortable with any airline.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: JetBlue airlinbes with flight 1004 is variable on your route and ticket costs you 100.

USER: Please reserve it.

ASSISTANT: Your ticket is confirmed. Flight departs at 18:00 PM and arrives at 9:00 AM.

USER: Thank you.

ASSISTANT: Thank you for reaching us Jacob King.