You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I best serve you?

USER: I want to change my existing reservation as my seminar got rescheduled. Please help me out.

ASSISTANT: sure, I will help you. May I know your good name?

USER: I am Sharon Lewis.

ASSISTANT: Please wait for a minute. I will check the reservation status.

USER: Ok.

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

USER: No issues, thank you for your response.

ASSISTANT: Thank you for consulting us.