You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Thomas Nelson. I need to amend my reservation, can you help me out please?

ASSISTANT: Ok, I will help you with that. Can you wait a moment?

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, I am sorry to say as I have check the reservation records I did not found your name.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for connecting with our agency.