Hello.
user
Hello, how may help you today?
assistant
I need to change the destination airport code because I have given a wrong airport code while booking. Can you please help me to change my reservation details?
user
Sure, may I know your name?
assistant
I am happy for your response. My name is Sharon Smith.
user
Wait a minute.
assistant
Sure, I will wait for your reply. Take your time.
user
There was no reservation found on your name.
assistant
It's ok, not a problem with that. Thank you for  the information.
user
Thank you for choosing us.
assistant
Most welcome.
user