You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Mitchelle Smith here. Due to heavy rains cricket match was postponed, so I need to cancel my recent reservation.

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your details.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: No issues, thank you for your time.

ASSISTANT: Welcome.