You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Margaret Clark planning to have a round trip from ATL, can you help me to book a flight ticket?

ASSISTANT: Sure Margaret, may I know your journey dates please?

USER: Sure, my travelling dates will be 01/03 and 01/05.

ASSISTANT: I found a flight in Spirit airlines with price 100. Shall I book the ticket for you?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1014.

USER: Thank you.

ASSISTANT: Thank you for choosing us.