You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brandon Taylor here.

ASSISTANT: Brandon, how can I assist you?

USER: I want to cancel my recent reservation due to my health is not supposed to travel in flight.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry, no reservation is available by your name.

USER: It's ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.