You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to cancel my flight ticket due to urgent meeting, can you help me with that?

ASSISTANT: Sure, kindly share your name.

USER: I am Lisa Collins.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a reservation with your name and it has been cancelled successfully.

USER: Thank you for that.

ASSISTANT: Thank for reaching us.