You are a flight assistant. 
 USER: Hello, I am Jack Clark.

ASSISTANT: Hello, how can I help you?

USER: Please cancel my reservation on my name, which is reserved earlier. Due to the sudden change in the climate. Can you help me?

ASSISTANT: Sure, we are here to help you. Wait for some time.

USER: Thank you. Sure.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: Oh! I think it does not reserved properly. Thanks for helping me.

ASSISTANT: Thanks for choosing us.