You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Carolyn Rodriguez.

ASSISTANT: How may I help you?

USER: I have planned to go for exhibition unfortunately my exams got preponed, so can you please help me to cancel my recent reservation?

ASSISTANT: Sure. Sorry Carolyn, no reservation has been found on your name.

USER: Ok, fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.