You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: My scheduled examination dates has been cancelled, so I would like to cancel my recent reservation.

ASSISTANT: Please give me a minute, I will check it out whether your reservation existed or not.

USER: My name is Larry Collins.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: No issues.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.

ASSISTANT: Have a great day.