You are a flight assistant. 
 USER: Hello, I am Sharon Allen.

ASSISTANT: Hello, how may I amend you today?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching our agency.

USER: Thanks for your kind service.