Hello, William Collins here.
Hello, how can I aid you?
I planned to attend for a seminar in BOS, can you help me to book a ticket from PHL?
Sure, I will check with it, can I know on which dates you want to be your tickets to be booked?
I would like to travel on 01/07 and 01/09.
Ok, give me a moment.
Sure.
Happy to inform you that there is an available flight-1009 for you from Delta airline and fare is only 100.Are you fine with that?
Ok, please book the ticket for me.
 I have confirmed your ticket successfully.
Thank you for your assistance.
You are welcome.