You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I provide assistance for you?

USER: My football match is cancelled in this week due to some weather conditions, so can you help me to cancel my reservation?

ASSISTANT: Sure, I am glad to help you. Could you please provide your name to check your complete reservation details?

USER: Sure, my name is Alexander Lee.

ASSISTANT: Ok, please wait a moment meanwhile I will check your details in my database and proceed with your cancellation.

USER: Ok, please check my reservation details in your records.

ASSISTANT: Sorry to say this, I did not find any reservation on your name in my database.

USER: Oh! that is fine.

ASSISTANT: Thank you for utilising our services, have a pleasant day.

USER: Thank you for your time.