You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your assistance?

USER: I want to cancel my recent reservation as my trip got postponed due to bad weather conditions. Can you please help me?

ASSISTANT: Sure, I'll try to help you in cancellation. Please share your name to check the reservation status.

USER: I am Jack Harris.

ASSISTANT: Ok, give me sometime.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation have been found under your name in our database to cancel it.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.