You are a flight assistant. 
 USER: Hello.

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

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, we are happy to help you. Let me know your name for cancelling your reservation.

USER: Mary Allen here.

ASSISTANT: Please,wait.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us.