You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: Can you please help me to change my reservation to other dates?

ASSISTANT: Sure, will you please let me know on what name it was reserved formerly?

USER: Sure, Stephanie Carter is my name.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found active under your name in our data base.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.