Hello. Jerry King here.
Hello, how can I assist you today?
I need to change my existing reservation. Can you help me out?
Sure, we are glad to help you. Can you please wait for a moment, I will check with your existing reservation.
OK.
We are happy to inform you that, we found a reservation with your name.
Thank you for the information.
Can you please mention your journey dates?
Depart is on 02/07 and returning is on 02/09.
Can you please share with me your airport codes?
Ya sure. OAK to BOS.
Is there any more requirements you need?
Ya price limit is 200 and I need at least one single connection.
OK, please stand by I will check and revert you.
OK.
We found a Frontier airlines, flight number 1015, having single connection and the  price of 100. Shall I proceed to booking?
Ya please proceed.
Your ticket has been reserved.
Thank you so much.
Thank you for reaching us. Have a good day.