You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Actually my business trip has changed with another location, can you do changes in my existing reservation?

ASSISTANT: Sure, can you please wait for a moment?

USER: Ok, take your time.

ASSISTANT: Can I know your good name?

USER: I am George Baker.

ASSISTANT: George, there is no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you George for reaching us.