You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I just want to change the reservation to Oakland as my conference got postponed, can you help me with it?

ASSISTANT: Sure. Can you please provide your name?

USER: Reservation is done with name Rebecca Scott.

ASSISTANT: Thanks for the information. Please wait for a while.

USER: Ok.

ASSISTANT: We did not found any reservation on your name.

USER: Ok fine, thank you.

ASSISTANT: Thanks for opting us.