You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa Wilson.

ASSISTANT: How can I assist you?

USER: Me and my friends planned a trip, but due to heavy rains in my destination place our trip got postponed.

ASSISTANT: Ok.

USER: So, please cancel my reservation.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for reaching us.