You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I be in your assistance?

USER: Suddenly I got a call from my team lead that there is an important meeting. So, I don't have any other option to travel. Can you please help me in cancelling the ticket?

ASSISTANT: Ok, please wait a moment I will check in the mean while may I know your name?

USER: Yes, I am Ronald Brown.

ASSISTANT: Thank you for waiting. Sorry, there is no reservation been found on your name.

USER: That's fine, no problem.

ASSISTANT: Thank you for connecting with our agency.