You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from Washington on Sept 06, can you help me with booking please?

ASSISTANT: Sure, may I know your airport codes?

USER: Yes, my airport codes are DCA and IAH.

ASSISTANT: Please share me your return date.

USER: Sure, I want to return on Sept 08.

ASSISTANT: May I know your name?

USER: My name is Michelle Green.

ASSISTANT: Do you have any specifications?

USER: I need a break in between the journey.

ASSISTANT: As per your requirements, I found a connecting flight with Delta Airlines and the airfare is about 200 with 1017 flight number. Are you happy with this flight?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you.