You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Is this ABC flight ticket booking agency?

ASSISTANT: Yes, you have approached right place.

USER: I want to cancel my recent reservation, because my family trip was cancelled, can you help me?

ASSISTANT: Sure, please provide your name.

USER: Sure, my name is Michael Smith.

ASSISTANT: There is no reservation with your details.

USER: It's ok no problem. Thank you for your information.

ASSISTANT: Welcome.