You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning. What can I do for you today?

USER: Good morning. I need to cancel my reservation which I have done recently to meet my old friend but suddenly he already reached my home. Will you please help me to cancel my reservation?

ASSISTANT: Yes sure. I am here to help you. Please wait for a moment, let me check your details. Can you help me with your name?

USER: Please check my reservation which is under the name of Jeffrey Clark.

ASSISTANT: There is no reservation found on your name.

USER: Oh! May be I did not confirmed my reservation while booking.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: You are welcome.