Hello. I am Catherine Campbell.
user
Hello, how may I guide you?
assistant
I want to change my existing reservation, due to heavy rainfall in Seattle, can you help me?
user
Sure, please hold on for a moment. Can I know your airport codes?
assistant
I am departing from ATL to land in CLT.
user
Sure, can I know your preferable dates?
assistant
My departure date is on 07/20 and return on 07/22.
user
I found a flight 1022 of Southwest airlines matches with your preferences, can I proceed?
assistant
Please proceed for booking.
user
Your ticket is booked.
assistant
Thank you for your help.
user
Thank you.
assistant