You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I give assistance to you?

USER: As my schedule of attending an press meet got cancelled, I want to change my existing reservation? Can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Samantha Miller.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: Sorry, we did not found any reservation on your name.

USER: Ok, no issues. Thanks for your kind assistance.

ASSISTANT: Thank you for connecting us.