You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: Carolyn Carter is my name.

ASSISTANT: Yes Carolyn Carter, how may I assist you today?

USER: My painting exhibition has been relocated to Phoenix. So I need to change my reservation. Can you please help me in changing my reservation?

ASSISTANT: Sure, I can help you with this. Give me a moment to check your details in our database.

USER: Sure.

ASSISTANT: Carolyn Carter, sorry to inform you that we didn't found any reservation under your name.

USER: Ok, no issues.

ASSISTANT: Can I help you with anything else?

USER: No thanks.

ASSISTANT: Ok, thank you for reaching us.

USER: Thanks for your information.