You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER:  I am Joshua Clark, I want to cancel my reservation due to heavy rainfall at my place. Can you please help me to make a reservation?

ASSISTANT: Please hold on a moment I will let you know the current status of your reservation.

USER: Sure.

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

USER: Ok, thank you for informing me.

ASSISTANT: Thanks for contacting us.