You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I assist you today?

USER: Actually my Cricket Competition is cancelled so that I want to cancel my recent reservation, can you help me?

ASSISTANT: Sure, I will assist you. Please let me know your name to check the reservation?

USER: Sure, I am Jack Johnson here.

ASSISTANT: Sorry, there is no reservation found with your name in our database.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.