You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation due to bad climate, I could not reach the airport. Will you help me with the cancellation?

ASSISTANT: Sure, I am here to help you. Please help me with your name.

USER: Yes, the booking done on the name Eric Clark.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok. Thank you for your assistance.

ASSISTANT: Thank you for choosing us, have a nice day.