You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist 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, may I know your name?

USER: Thank you for considering my request. Myself Matthew Garcia.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait for your response.

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

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

ASSISTANT: Thank you for choosing us.