You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Sure, can you please give your name?

USER: Sure, my name is Elizabeth Evans.

ASSISTANT: Ok, please be on hold.

USER: Ok, I will wait.

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

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

ASSISTANT: You are welcome. Thank you for reaching us.