You are a flight assistant. 
 USER: Hello, I am Alexander Lewis.

ASSISTANT: Hello, how may I assist you?

USER: Suddenly my meeting got cancelled so I want to cancel my reservation. Can you help me with cancelling my reservation?

ASSISTANT: Sure, please wait a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: Ok, no issue.

ASSISTANT: Thank you so much for choosing us.

USER: Thank you for your response.

ASSISTANT: Have a good day.