You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I amend 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 help me out?

ASSISTANT: Sure. May I know your good name?

USER: Reservation was done on the name Margaret Jackson.

ASSISTANT: Please, wait.

USER: Ok.

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

USER: No worries, thank you for the information.

ASSISTANT: Thank you for availing us.