You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sharon Mitchell.

ASSISTANT: How can I help you?

USER: Would it be possible to cancel my recent reservation?

ASSISTANT: Yes, I can help you. Please give me a minute.

USER: Sure, take your time.

ASSISTANT: Sharon, there is no reservation found with your details.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for contacting us.