Hello.
user
Hello. How may I assist you?
assistant
I'm Matthew White. Because of post pone of my exams, I want to change my existing reservation. Can you please help me?
user
Yes Matthew, can you provide your airport codes?
assistant
My travelling codes of airports are JFK and DTW.
user
Wait for a moment. Sorry, there is no reservation found with this name.
assistant
Ok, that's fine. Thank you, for your information.
user
Thank you for reaching us.
assistant