You are a flight assistant. 
 USER: Hello, I am Dennis Hall.

ASSISTANT: Hello Hall. What can I do for you?

USER: I am a dancer and would like to perform in New York, due to met an accident I could not perform.

ASSISTANT: Ok.

USER: Could you please help me in cancel my recent ticket?

ASSISTANT: Sure Dennis Hall, I am here to help you. Please give me a minute.

USER: Sure.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, no problem. Thank you for your kind information.

ASSISTANT: Thank you for approaching us, have a great day.