You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you now?

USER: Could you please help me to cancel my recent reservation as my trip dates got postpone due to heavy rains?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: To check the reservation list, we need your name.

USER: I am Kenneth Lee.

ASSISTANT: Thanks for your name, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name in our database.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.