You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need to cancel my reservation as I am not able to make my trip. Can you help me with that?

ASSISTANT: I am here to help you, may I know your name?

USER: Thanks for your concern, my name is Katherine Harris.

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

USER: Not an issue with that, anyways thank you for the information.

ASSISTANT: Thanks for reaching us.