You are a flight assistant. 
 USER: Hello. I am Raymond Garcia.

ASSISTANT: Hello, how may I assist you for today Raymond?

USER: I have to change my previous flight ticket booking that I am unable to attend my planned trip, can you help in modification process?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Please be on hold for sometime to check the reservation status with your name.

USER: Sure, I can wait for your response but make it fast.

ASSISTANT: I regret to say this Raymond, there are no active reservations with your name to change.

USER: Not a problem with that one, thank you for your immediate response in providing the information in quick manner.

ASSISTANT: You are welcome, thank you for reaching out here.