You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Stephanie Hill. I planned to attend for a wedding in ORD, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I prefer to travel on 10/12 and 10/14.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: OK, your ticket has been booked with flight number 1010.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.