Hello. I am Melissa Nelson.
user
Hello, how may I assist you?
assistant
I am planning for a trip with my friend's, but due to an emergency work it has been postponed.So I would like to cancel my recent flight ticket. Could you please help me with cancellation?
user
Ok, please wait I will revert you.
assistant
Sure.
user
Sorry to inform you that no reservation was found on your name.
assistant
Ok, no problem at all. Thank you for your valuable information.
user
 Thank you for availing us.
assistant