You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Janet Johnson.

ASSISTANT: Yes, Janet.

USER: Actually, I had done my reservation previously to travel Austin this month. But, in my office, they are not assigning any leave on those days. So, I want to change my reservation. Will you please help me with that?

ASSISTANT: Sure Janet, let me check the previous reservation on your name.

USER: Sure.

ASSISTANT: Sorry Janet, there is reservation found on your name.

USER: It's alright, no issue, I will reserve my ticket later.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.