You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Owing to an urgency, I would like to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, may I know on which you have booked the ticket earlier?

USER: My previous reservation has done with the name Matthew Gonzalez.

ASSISTANT: There is no reservation found under your name, Matthew.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us.