You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation, as my health is not good to travel. Can you please help me with this?

ASSISTANT: Ok, please may I know your name?

USER: I am Cynthia Lee.

ASSISTANT: Reservation is not found on your name in our database.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for reaching us.