You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I have to cancel my ticket booking due to health issue, can you please help me?

ASSISTANT: I will be happy to help you, could you help me with your name please?

USER: I am Donna Jackson.

ASSISTANT: Jackson, please wait for a moment. I will check your reservation status and get back to you.

USER: Ok, that's fine , no problem with that one, thank you for your help.

ASSISTANT: Jackson, I have not found any reservation by your name in our database.

USER: Ok, thank you.

ASSISTANT: Thank you for contacting us.