You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Allen.

ASSISTANT: How may I render you today?

USER: I would like to cancel my recent reservation, due to heavy rainfall at my place. Could you please help me?

ASSISTANT: Sure, I'll help you in cancellation.

USER: Thank you.

ASSISTANT: Please wait a moment I will check the reservation status.

USER: Sure.

ASSISTANT: Thank you for waiting, we did not find any reservation by this name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.