You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: My board meeting has been postponed, I want to cancel my recent reservation.

ASSISTANT: Sure, may I know your name to check the reservation list?

USER: Sure, I am Emma Smith.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is no reservation found by the name you gave.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for reaching us.