You are a flight assistant. 
 USER: Hello, I am Christine Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I just want to cancel my recent reservation, due to my exams has been cancelled. Can you help me with cancellation?

ASSISTANT: Sure, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thank you for your patience, we are sorry to inform you that there was no reservation found on your name.

USER: That's Ok, thaks for your help.

ASSISTANT: Thank you for contacting us.