You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. Do you need any help?

USER: I want to cancel my recent reservation due to my boarding meeting is unfortunately done through Skype. Can you help me out in cancellation?

ASSISTANT: May I know your name?

USER: I am Patrica Garcia.

ASSISTANT: Ok. I'm sorry, reservation does not exists.

USER: Ok, no issues.

ASSISTANT: Thanks. Have a nice day!.