You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please cancel my reservation, which is reserved earlier on my name. Can you help me? As I have some urgent work at my office, on my travelling day.

ASSISTANT: Yes, I can help you. Can you share me your name for checking?

USER: Thank you, I am Timothy White.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: That's ok, leave it.

ASSISTANT: Thank you for consulting us.

USER: Thanks for your kind information.