You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Jessica Hill. I have reserved a flight ticket last week but unfortunately I came to know about dangerous situation of place. So, I have decided to cancel my reservation. Can you please help me with that?

ASSISTANT: Sure, I will help you. Please wait a minute, I will check for the existing reservation.

USER: Sure, please take a time.

ASSISTANT: Sorry to inform you Hill, there is no reservation found with your name.

USER: Ok, it's fine. Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us. Have a nice day.

USER: Most welcome.