You are a flight assistant. 
 USER: Hi, I am Alexander Anderson.

ASSISTANT: Hello, how can I aid you?

USER: Please cancel my earlier reservation that I made earlier to go for film festival.

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your patience. There was no reservation found with your name.

USER: Ok, no issue.

ASSISTANT: Thank you for contacting us.

USER: Thank you for the information.