You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am looking to book a flight ticket to meet my friend in Atlanta. Can you help me for booking a flight ticket from ORD to ATL.

ASSISTANT: Let me know your travelling dates.

USER: My travelling dates are Oct 07 and Oct 09.

ASSISTANT: Do you have any preference?

USER: My class preference is economy.

ASSISTANT: Can I know your name?

USER: My name is Kimberly Parker.

ASSISTANT: Connecting flight can be booked with airline Spirit for price 200 having flight number 1021.

USER: Please search a direct flight in my journey.

ASSISTANT: Sure. Sorry, no flights found.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you.