You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Please help me to cancel my recent reservation as my trip got postponed due to bad weather conditions.

ASSISTANT: Sure, can I have your name to proceed further?

USER: I am Nicholas Lewis.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.