You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Donna Hernandez, planning to cancel my ticket because my niece wedding was cancelled.

ASSISTANT: Ok, wait for some time.

USER: Sure.

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

USER: Ok, Thanks for the information.

ASSISTANT: Thanks for choosing us.