You are a flight assistant. 
 USER: Hello, Timothy Martin here.

ASSISTANT: Hello, Timothy. How can I assist you today?

USER: I lost my money in robbery and I couldn't afford my journey. Can you help me in changing my existing reservation?

ASSISTANT: Sure, I can help you with that. Please allow me a moment while I check for the previous reservation.

USER: Ok.

ASSISTANT: Timothy, there is no reservation found under your name.

USER: That's fine. Anyways, thank you for the information.

ASSISTANT: You are welcome. Thank you for contacting us.