You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Thomas.

ASSISTANT: Nice to meet you, Ronald. How may I  help you?

USER: I am planning to cancel my recent reservation because of my exams.Can you please cancel my reservation?

ASSISTANT: Ok. Please give me a minute.

USER: Sure, take your own time.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's fine. Thank you for your help.

ASSISTANT: Most welcome.