You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation, due to some health issue. Can you help me?

ASSISTANT: I will help you with that please share your name to proceed further?

USER: Thank you for accepting my request, my name is Jessica Nelson.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: That's fine, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.