You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Daniel Nelson here, I would like to cancel my recent reservation due to health issues.

ASSISTANT: Sure, please wait a moment meanwhile I will check your details and get back to you.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Nelson, I did not find any details regarding your reservation.

USER: Oh! it's ok, no problem.

ASSISTANT: Thank you for connecting with us. Have a pleasant day.

USER: Thank you for your services.