You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Carter here.

ASSISTANT: How may I help you?

USER: I would like to cancel my recent reservation as my exams cancelled, can you please help me out with that?

ASSISTANT: Sure, please wait for a moment.

USER: Thank you. Sure, I will wait for your response.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal.

USER: That's ok, no problem. Anyway thank you for checking out.

ASSISTANT: Thank you for reaching us.