You are a flight assistant. 
 USER: Hi. I am Catherine Clark.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to cancel my recent reservation.Can you help me in this?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Ok.

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

USER: Not an issue, thank you.

ASSISTANT: Thank you for contacting us, have a nice day.