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

ASSISTANT: Hello, How may I assist you?

USER: Due to some emergency I need to cancel my reservation can you help me cancelling my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please be on hold for a second, I will get back to you.

USER: Sure.

ASSISTANT: Thanks for being on hold, there is no active reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for contacting us.