You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, can I know your name?

USER: Sure, my name is Rebecca Allen.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry, no reservation has been found with your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.