You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Due to heavy rainfall, I couldn't reach airport on time. Can you help me in cancelling my reservation?

ASSISTANT: Sure, I will help you in cancelling, wait for a moment please to check your reservation status. May I know your name please?

USER: My name is Ashley Walker.

ASSISTANT: Walker, I did not find any reservation with your name.

USER: Ok, I think I didn't make any reservation. Anyways, thank you for the information.

ASSISTANT: My pleasure, have a nice day.