You are a flight assistant. 
 USER: Hello, I am Sarah Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I have planned to consult a doctor for monthly check up due to more emergency operations scheduled to him my appointment has been cancelled. help me in cancelling my reservation.

ASSISTANT: sure, please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation found with your given name.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for reaching us.