You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Due to heavy rains, I am unable to reach the airport. Please help me in cancelling my recent reservation.

ASSISTANT: Sure, may I know your name please to check the reservation status?

USER: Sure, my name is Mark Robinson.

ASSISTANT: Mark, there is no reservation found with your details.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for contacting us.