You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, please provide me the name to check for the status.

USER: I am Samantha Davis.

ASSISTANT: Please be on hold.

USER: Take your time.

ASSISTANT: Thank you for waiting. Here, I have found your reservation. Shall I proceed in cancelling?

USER: Yes, please proceed.

ASSISTANT: Your reservation have been cancelled successfully.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.