You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: Actually I have planned a trip to enjoy my weekend. But, unfortunately I have met with illness. So, I need to cancel my ticket. Can you help me with cancellation?

ASSISTANT: Sure, I will help you. Can I have your name please?

USER: Donna Phillips, is my name.

ASSISTANT: Ok, just a moment.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your good name.

USER:  Ok, not a problem. Thanks for your kind information.

ASSISTANT: Thank you for selecting us.