You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Thomas Lopez here.

ASSISTANT: OK.

USER: I want to cancel my recent reservation, due to rain the cricket match has been cancelled. Can you assist me with that?

ASSISTANT: Sure, I can assist you.

USER: Thank you.

ASSISTANT: Please wait a while, I will go through your reservation and revert to you.

USER: Sure.

ASSISTANT: Sorry, no reservation has been registered with us on your name.

USER: Ok, no problem. Thanks for your response.

ASSISTANT: Thanks for consulting us, have a nice day.