You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is William Lee.

ASSISTANT: How can I aid you?

USER: I want to book a flight ticket from SFO to CLT. Please help me in booking a flight ticket.

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: Thank you, My journey dates are from 05/24 to 05/26.

ASSISTANT: Do you have any preferences?

USER: I need a halt in between my journey.

ASSISTANT: You have a flight 1000 in UA airline and price 200 with a connection in economy class, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you.