You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: I want postpone my journey, can you please cancel my recent reservation?

ASSISTANT: Sure, may I know your name please?

USER: Myself Stephanie Thompson.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, fine. Thank you for informing me.

ASSISTANT: Thank you for approaching us.