You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am not able to travel due to my leg fracture so, please cancel my recent reservation as of now.

ASSISTANT: Sure, we will help you. May I know your name please to check your details in our database?

USER: Carolyn Perez is my name.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry Carolyn Perez, there is no reservation exist on your name to cancel.

USER: Ok, not at all a problem. Thanks for the response.

ASSISTANT: Thank you for reaching us.