You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: My trip got postponed, so I need to change the details. Can you please help me in changing the travel dates in my previous ticket?

ASSISTANT: Sure, I will try my best to help you about that. Can you please help me with your name to check the reservation status?

USER: Thank you for accepting my request. I am Gary Martinez.

ASSISTANT: Hold on for a second please to check it.

USER: Sure, I can wait for your response.

ASSISTANT: I have not found any active reservations under your name to change Gary.

USER: That's not a problem, thank you for providing the information.

ASSISTANT: My pleasure, thank you for reaching out here.

USER: You are welcome.