Hi, William Mitchell here,.
user
Hello, how can I help you today?
assistant
I wan to change an existing reservation.
user
Please wait for a while. I will revert you.
assistant
OK.
user
Thanks for your patience. Please provide your new journey details.
assistant
Sure, My travelling details are from Houston, TX-IAH on 03/19 to seattle, WA-SEA on 03/21.
user
Please wait. I will check the availability and let you know.
assistant
OK.
user
Thanks for your patience. unfortunately, there are no flights found which fits you requirements.
assistant
OK, Thank you.
user
Thank you for connecting with us. Have a good day.
assistant