You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Jeffrey Jackson. I am unable to travel right now due to health issues, so can you help me for cancelling my recent reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your details.

USER: Ok, I will wait for your response.

ASSISTANT: No reservation found on your name. Sorry for inconvenience.

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

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for your information.

ASSISTANT: You are welcome.