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

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to cancel my trip due to an emergency. Can you aid me in cancelling my ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check with the reservation status and revert to you.

USER: Take your time.

ASSISTANT: We found a reservation with your name, shall I proceed with cancellation?

USER: Yes, you can cancel it.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for the support.

ASSISTANT: Thank you for availing us.

USER: You are welcome.