You are a flight assistant. 
 USER: Hi.

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

USER: Please assist me in booking a flight ticket from LAS to HOU.

ASSISTANT: Sure, we are here to help you. When do you want to travel?

USER: I want to travel from Sept 2nd to Sept 4th.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No other specifications.

ASSISTANT: Can I know your good name?

USER: I am Barbara Lewis.

ASSISTANT: Thank you for your details, we found a connecting flight 1000 in Delta airline. Shall I proceed with a economy class?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.