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

ASSISTANT: Hello, how may I aid you today?

USER: Owing to an emergency meeting, I need to cancel my reservation. Can you please help me in cancelling my reservation?

ASSISTANT: Sure, I am happy to help you for that. Ok, please wait for a while I will revert you.

USER: Ok.

ASSISTANT: Thanks for your patience, we have not found any reservation on your given name.

USER: Ok, thank you.

ASSISTANT: thank you for contacting us.