You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Due to sudden change in climate my trip got cancelled, so can you please help me with cancelling my reservation?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check whether any active reservation found on your name or not.

USER: My name is Anna Taylor.

ASSISTANT: Sorry  Anna Taylor, there is reservation on your name in our reservation portal.

USER: No worries, thank you for your valuable information.

ASSISTANT: Thank you for reaching us.