You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Actually I have attend to a meeting, but as my wife gave birth to new baby, I want to cancel my reservation.

ASSISTANT: Sure, May I know your name?

USER: I am Samuel Edwards.

ASSISTANT: Sure, Please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: Sorry, we did not found any flight based on your given details.

USER: Ok. Thanks for your information.

ASSISTANT: Thank you for reaching us.