You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you today?

USER: I made a reservation earlier to go to holiday trip with my friends, due to some financial problems I want to change my reservation. Can you please help me with  that?

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

USER: My name is Ashley Wilson.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for opting us, have a nice day.