You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I provide assistance to you?

USER: Due to sudden changes in weather conditions, I would like to reschedule my holiday trip. Can you help me in changing my reservation?

ASSISTANT: Sure. May I know your good name please?

USER: I am Laura Martinez.

ASSISTANT: Ok, There is no reservation found with your name.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for opting us.