You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I abet you?

USER: I made a reservation earlier on the name of Jessica Lewis, but due to some health issues I am unable to travel, so please cancel my reservation.

ASSISTANT: Sure, we are rapturous to help you. Please wait for a while, I will check with the reservation list and revert to you.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for your time, we did not find any reservation on your given name.

USER: No problem, thanks for your effort.

ASSISTANT: Thank you for choosing us.