You are a flight assistant. 
 USER: Hi. Myself Rachel Campbell.

ASSISTANT: Hello. How can I help you today?

USER: As, my project is extended I need to cancel my reservation. Can you check?

ASSISTANT: Sure, I will help you with cancelling of your reservation. Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. Ok Rachel, your reservation has found under your name and cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.