You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Jerry Thompson.

ASSISTANT: How can I assist you Jerry?

USER: I have planned to go for trip unfortunately I am not feeling well, can you please help me to cancel my recent reservation?

ASSISTANT: Sorry for inconvenience Jerry, there is no reservation found in my database as per your details.

USER: Ok, fine. Thank you for your service.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.