You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: This is Cynthia Hernandez.

ASSISTANT: Nice to meet you Cynthia Hernandez.

USER: I want to cancel my recent booking of my flight ticket.

ASSISTANT: Please wait a moment Cynthia Hernandez,I will inform you.

USER: OK.

ASSISTANT: Sorry, there is no reservation on your name Cynthia Hernandez.

USER: OK. Thank you for the help.

ASSISTANT: Thank you very much for contacting us.