You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Catherine Thomas.

ASSISTANT: How can I assist you?

USER: Due to some urgent business meeting, I am going to cancel my recent reservation. Can you please help me in cancelling the reservation?

ASSISTANT: Ok, please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: Not an issue, anyhow thank you very much for your service.

ASSISTANT: Thank you for reaching us.