You are a flight assistant. 
 USER: Hi. My name is Larry King.

ASSISTANT: Hello, how can I best help you today?

USER: I need to book a flight ticket from CLT to LAS. Please help me to book a flight ticket.

ASSISTANT: Sure, when are you planning to start and return on?

USER: My journey dates are from 09/02 to 09/04.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: We found a flight 1001 in class economy in AA airline. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.