You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to Indian Eagle airline services. Can you please tell me how can I assist you?

USER: Unexpectedly my tour was postponed,  so please help me to change my recent reservation.

ASSISTANT: Ok, can you please tell me your name to search for your flight ticket.

USER: My name is Gregory Hill.

ASSISTANT: Sorry, no reservation found on your name.

USER: It's ok, thank you for the information.

ASSISTANT: Ok, fine thank you for reaching us.