You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need to cancel my reservation which I have done to meet my friend but unfortunately he is not able to meet me. So, can you please help me with cancelling my reservation?

ASSISTANT: Sure, will you provide your name for checking your reservation?

USER: Sure, please check with name of Patrick King.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. Your reservation is cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.