You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my reservation which is done recently due to some health issues, can you please help me?

ASSISTANT: Sure, I can help you with that. Before that, we need your name to check your reservation status. So, if you don't mind please let me know your good name.

USER: Sure, my name is Eric Lopez and lets start it.

ASSISTANT: Fine, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Eric, I have searched our database but there is no reservation found under your to do changes in that.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us, have a great day.