You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Daniel Turner.

ASSISTANT: How can I assist you today?

USER: Due to typical climatic condition in Dallas, I would like to cancel my recent reservation to Dallas. Can you help me with this?

ASSISTANT: Sure, please give me a moment.

USER: Take your own time.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: Ok, not an issue. May be my brother has already cancelled my ticket. Thank you for providing information.

ASSISTANT: Thanks for reaching us , have a great day.