You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Carol Adams. I would like to cancel my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, I am here to help you, please wait for a minute.

USER: Thank you for accepting my request, I will wait for your response.

ASSISTANT:  Sorry Adams, I have checked all my booking list but I am not able to find any existing reservations under your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thanks for choosing us, have a great day ahead.