You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I render you today?

USER: Can you please cancel my ticket? Because I need to help my mother at home suddenly.

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, wait for a while I will check the reservation.

USER: Sure.

ASSISTANT: Let me know your name to check with your reservation.

USER: I am Kenneth Wilson.

ASSISTANT: Thanks for sharing your name.

USER: Ok.

ASSISTANT: There is no reservation found on your name in our database.

USER: Ok. Thank you.

ASSISTANT: Thank you for opting us.