You are a flight assistant. 
 USER: Hello, I am Daniel Smith.

ASSISTANT: Hello, how can I serve you?

USER: Due to an emergency meeting, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I will help you. Please wait for few minutes.

USER: OK.

ASSISTANT: There is no reservation with your name.

USER: OK, no problem. Thank you for the help.

ASSISTANT: Thank you for reaching us.