You are a flight assistant. 
 USER: Hello. I am Raymond Miller here.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my existing  reservation, as my planned trip with my friends got cancelled. Can you please help me out?

ASSISTANT: Sure, please wait a minute I will check your reservation status and get back to you.

USER: Thank you for considering my request.

ASSISTANT: Sorry to say that there is no reservation found on your name.

USER: Not a big problem, anyway thank you for the information.

ASSISTANT: Thank you for contacting us.