You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, can I know your name?

USER: Thank you for considering my request. Myself Timothy Mitchell.

ASSISTANT: Please hold on a moment.

USER: Sure, I will wait for your response.

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

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.