Hello,. I am Ruth Campbell.
user
Hello, how can I help you?
assistant
I want to change my existing reservation due to some health issues, can you please help me with that?
user
     Sure, I am here to help you. Please stand by.
assistant
Sure.
user
Thank you for waiting, we found a reservation on your name. So, can you please help me with your travelling dates?
assistant
Sure, my journey dates are 10/19 to 10/21.
user
Ok, please help me with your airport codes.
assistant
I need to fly out from IAH to ATL.
user
Thank you for providing your details, we found a flight with number 1003 and airline JetBlue at a price of 100 with 1 connection. Shall I Proceed?
assistant
Yes, please.
user
Sure, your booking is done.
assistant
Thank you for your help.
user
Thank you for reaching us, have  a nice day.
assistant