You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I have to cancel my reservation which I have done earlier to participate in dance program but unfortunately I have stay back here to take care of my injured friend. Can you please help me out with cancelling of my reservation?

ASSISTANT: Sure, I will help you in your reservation cancelling. Please mention your name for checking your reservation status.

USER: Sure, my name is Frank Adams.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, your reservation is successfully cancelled.

USER: Thank you for your help in my ticket cancellation.

ASSISTANT: Welcome, have a great day.

USER: You are welcome.