You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am William Clark. I need to book a flight ticket from ORD to ATL, Can you please help me for booking?

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: Let me know your travelling dates.

USER: I would like to travel on 12/22 to 12/24.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a while. I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we have a connecting flight in Spirit airline at a fare of 200 from flight number 1025. Shall I proceed with the booking?

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been done on the name William Clark.

USER: Thanks for your information.

ASSISTANT: Thank you for picking us.