You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Would it be possible to change my reservation, which I have done with my name?

ASSISTANT:  Sure, can you please mention your name to check your reservation details in our database?

USER: My name is George Thomas.

ASSISTANT: Thank you. Please wait for a while, let me check your reservation status. Sorry, I did not find any reservation by your name in our database.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.