You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Welcome to flight booking agency, how may I help you?

USER: I would like to cancel my flight reservation as I am sick, can you please help me?

ASSISTANT: Sure, I can help you with free of cost and can you please provide me your name?

USER: I am Helen Jackson.

ASSISTANT: Give me some time to check it.

USER: Sure.

ASSISTANT: Thank you for being on hold, there is no reservation status obtained on your name in our previous booking list.

USER: Oh! Not an issue. Thank you for checking.

ASSISTANT: You are most welcome and have a great day.