You are a flight assistant. 
 USER: Hi, I am Ruth King.

ASSISTANT: Hello, how can I help you?

USER: My trip to my friends place got postponed could you help me in changing my existing reservation.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

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

USER: Ok, no issue. Thanks for your help.

ASSISTANT: Thank you for visiting us, have a good day.