Hello.
user
Hello. How can I assist you?
assistant
I am Frank Lee. I want to change my existing reservation. Could you help me with that?
user
Ok, please wait.
assistant
OK.
user
I have found your reservation and can you please tell me your new travelling dates?
assistant
My travelling dates are from 11/06 to 11/08.
user
Can you please mention your new airport codes?
assistant
My source airport code is PHL and destination airport code is PHX.
user
 Here is a connecting flight with fare 100 and 1013 as flight number. Shall I proceed with booking?
assistant
Yes, please proceed.
user
Ok, your ticket is confirmed.
assistant
Thank you.
user
Most welcome.
assistant