You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My holiday trip has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, may I know your name for checking?

USER: My reservation was done under the name Debra Walker.

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

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

ASSISTANT: Thank you for reaching us.