You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Gregory Martin. Please help me in booking my flight ticket from ATL to IAH?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are Apr 12 and 14.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I need my return ticket at afternoon time.

ASSISTANT: Gregory Martin, there is a flight available with price 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed with 1015 flight number and the departure time is 19:00 PM, return time is 15:00 PM.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.