You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I have planned for a holiday vacation tour but suddenly the dates got changed, so I would like to change my reservation. Can you help me with it please?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please, provide your name to check the reservation status.

USER: My name is Linda Jackson.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thank you for your time, I did not find any reservation on your name to change.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for approaching us.