You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I will be cancelling my previous reservation today, as my parents are not allowing me to go on a holiday.Can you help me?

ASSISTANT: Sure, I am happy to help you in cancelling your reservation. May I know your name please for checking your reservation details?

USER: My name is Sarah Robinson, please check the status of my ticket and let me know.

ASSISTANT: Please wait for a while, let me check.

USER: Sure.

ASSISTANT: Sorry Sarah, I have not found any reservation by your name.

USER: Oh! that's sad, maybe my mother already cancelled my reservation and did not inform me. Anyways thank you for assisting me.

ASSISTANT: Thank you for contacting us and have a nice day.

USER: Your most welcome.