You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am Sharon Thomas. I want to cancel my recent reservation, because I want to travel  with my friends on road. Can you please cancel my reservation?

ASSISTANT: Sure, please give me a moment to check your details and let you know.

USER: Ok.

ASSISTANT: Sorry, we didn't found any existing reservation on your name.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.