You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to a sudden visitation at my friends house. I need your help in my cancellation.

ASSISTANT: Sure, I will help you in cancelling a ticket.

USER: Thank you.

ASSISTANT: Please wait for a moment to check the reservation on your name.

USER: I am Shirley Baker. Sure.

ASSISTANT: Ok. Sorry to say that there is no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thank you for your best response.