You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight from ATL to IAD?

ASSISTANT: Sure. Let me know your travelling dates.

USER: My travelling dates are May 06 and 08.

ASSISTANT: Do you have any preference?

USER: I prefer connecting flight.

ASSISTANT: Can I know your name?

USER: My name is Katherine Clark.

ASSISTANT: Found ticket with Spirit airlines for price 100 having flight number 1004.

USER: Proceed with booking.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.