You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I made a reservation earlier to go for a trip with my friends, due to important meeting with my share holders I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure. May I know your name?

USER: I am Samuel Johnson.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: No issues, thanks for your response.

ASSISTANT: Thank you.