You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what service are you looking for?

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. Could you please help me?

ASSISTANT: Ok, please share your name and let me check if I can help you.

USER: Sure, Jonathan Collins.

ASSISTANT: Please wait, I will find your existing reservation and revert back to you soon.

USER: Sure, I will wait for your response.

ASSISTANT: Jonathan Collins, we don't have any reservation on your name to cancel.

USER: No worries, thank you for the information.

ASSISTANT: Thank you.