You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I need you to make few changes in my recent reservation. Please help me.

ASSISTANT: Sure, may I know your good name please?

USER: My name is Ashley Wilson.

ASSISTANT: Ok, please wait for few minutes. let me check with your existing reservation status.

USER: Sure, take your time.

ASSISTANT: There is no existing reservation found on your name in our records.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.