You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Please help me to book a flight ticket from DEn to meet my old friend to start a new business in HOU.

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: Thank you. I am planning to start on 04/14 and my return date will be on 04/16.

ASSISTANT: Do you need any break?

USER: Yes, I need a break.

ASSISTANT: May I know your name?

USER: I am Charles Edwards.

ASSISTANT: Is there any other specifications?

USER: No, please proceed.

ASSISTANT: We found a connecting flight with an AA airlines, flight number:1005.

USER: That's fine, you can book the ticket.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.