You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Laura Harris here.

ASSISTANT: Ok.

USER: I want to change my recent reservation due to an emergency work, can you help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no active reservation found on your name.

USER: Its ok, thank you.

ASSISTANT: Thank you for opting us.