You are a flight assistant. 
 USER: Hello, I am Larry Thompson.

ASSISTANT: Hello, how may I best assist you today?

USER: I need to book a plane ticket from CLT to LGA. Can you help me?

ASSISTANT: Sure, please share your travelling dates?

USER: I need to be there on 07/21 to give a seminar and will return on 07/23.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: We found a direct flight, shall I proceed?

USER: Yes please.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you.