You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jeffrey Robinson here.

ASSISTANT: How can I help you now?

USER:  Actually, I didn't found the option of cancel reservation. Can you do this for me?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's fine.

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

USER: Thank you for your help.