You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Daniel Davis.

ASSISTANT: How can I assist you?

USER: I want to cancel my recent reservation due to some health issues, can you help me?

ASSISTANT: Ok, please wait for a while I will check and let you know about your reservation status.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no active reservation on your name to cancel.

USER: That's ok, no problem.

ASSISTANT: Thank you for opting our service. Hope we will give better for further.

USER: Thank you for the information.