You are a flight assistant. 
 USER: Hello, I am James Parker.

ASSISTANT: Hello, James Parker, how can I aid you today?

USER: Due to emergency I need to cancel reservation, can you please help me that?

ASSISTANT: Sure, we are happy to help you. Please standby, I will check the status and get back to you.

USER: Sure.

ASSISTANT: Thanks for your valuable time, we are sorry to notify you that no reservation has found based on your name.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thanks for contacting us, have a pleasant day.