You are a flight assistant. 
 USER: Hello. I am Ruth Jackson.

ASSISTANT: Hello, what type of help you are seeking from our service Jackson?

USER: I would like to change my reservation as I am leaving for a holiday trip in this month, can you please help me out?

ASSISTANT: Yes, I will try my best to assist you about your reservation modification.

USER: Thank you.

ASSISTANT: Please, wait a moment to check the existing reservation under your name.

USER: Sure, take your time and let me know the status.

ASSISTANT: Ruth as you have addressed I have not found any reservation under your name to change. Sorry to say this.

USER: Ok no problem, thank you for your services.

ASSISTANT: My pleasure, thank you for employing our service.