You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Please help me to cancel my recent reservation due to my health issues. Can you please check the reservation on the name Davis Williams?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: We didnt found any reservation by this name.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for contating us.