You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Sarah Garcia here. I need to book a ticket from DCA to DEN, can you help me in doing that?

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

USER: My trip dates are 03/04 to 03/06.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

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

USER: My return time is afternoon.

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

USER: Ok, proceed.

ASSISTANT: Your booking is confirmed with 1007 flight number and departure time is 1:00 AM, return time is 14:00 PM.

USER: Thank you.

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