You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help that you need from my side?

USER: I want to change my ticket details.Can you help me in modifying my recent ticket?

ASSISTANT: Ok, can you provide your good name?

USER: I am Donald Edwards.

ASSISTANT: Ok, there is no ticket reservation found for the name which you have provided to modify it.

USER: That's not a problem, thank you for checking.

ASSISTANT: Most welcome and have a great day.