You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I would like to cancel my recent reservation because my trip dates are postponed, can you help me?

ASSISTANT: Sure, may I know your name please?

USER: I am Steven Hernandez.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time, we found a reservation in your name and it has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.