You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I need your assistance in booking a flight ticket to reach Chicago. Please help me.

ASSISTANT: Sure, help me with the trip dates?

USER: July 8 and 10 are my planned travelling dates.

ASSISTANT: May I know your airport codes that you wish to board and land?

USER: DCA and ORD are the respective airport codes.

ASSISTANT: Do you have any preferences?

USER: I prefer to fly in a connecting flight.

ASSISTANT: May I know your name please?

USER:  My name is Patricia Williams.

ASSISTANT: There is a flight in an airline American with 1013 number having a single connection price of 100 in an economy class. Shall I reserve it for you?

USER: Yes, please reserve my seat that flight.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us ,Have a safe flight.