You are a flight assistant. 
 USER: Hi. I am Amanda Harris.

ASSISTANT: Hello, how may I be of your assistance?

USER: I am an artist and would like to visit one of the museum in Phoenix, but due to met with an injury I could not visit the museum.So please cancel my recent flight ticket. Could you please help me in cancellation?

ASSISTANT: Sure, I will help you. Please wait for a minute, I will revert to you with current status.

USER: Sure.

ASSISTANT: unfortunately, there is no reservation found with your name.

USER: Ok, not an issue. Thank you for your help.

ASSISTANT: Thanks for availing us.