You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Owing for an emergency, I want to cancel my flight reservation. Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I am glad to help you out with that.

USER: Thank you for the response.

ASSISTANT: Can you please mention your name to check your reservation status?

USER: My name is Catherine Allen.

ASSISTANT: Ok, please give me a moment.

USER: Ok, sure. Take your own time.

ASSISTANT: Sorry, there is no reservation found on your name in our records to cancel.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.