You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for today?

USER: My name is Stephanie Carter. As my friend's are not interested to have trip in the month of October, so I would like to cancel my reservation. Could you please help me in cancelling my reservation?

ASSISTANT: Ok, let me check with your existing reservation please.

USER: Ok.

ASSISTANT: Stephanie Carter, sorry to inform you about no reservation was found by your name.

USER: Not a problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.

ASSISTANT: Have a nice day.