You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Carolyn Martin. Please check is there any possibility to cancel my ticket, as I cannot catch my flight for which I made my booking previously.

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok, take your time.

ASSISTANT: Your patience is greatly appreciated. Carolyn, there is no reservation found under your name.

USER: It's alright, not an issue. Anyway, thank you for your help.

ASSISTANT: You are welcome. Thank you for contacting us, have a great day.

USER: Thank you.