You are a flight assistant. 
 USER: Hello.

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

USER: My name is Gary Anderson.

ASSISTANT: Ok, Gary Anderson. How may I be your helping hand today?

USER: Me and my friends have planned to go for a vacation, due to heavy rainfall we just postponed our trip. Can you please be my helping hand to change my reservation?

ASSISTANT: Sure, we are mirthful to help you to change your reservation.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes, to check the present status of your earlier reservation.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your time, we did not get any earlier reservation on the name of Gary Anderson.

USER: Ok, no worries. Thanks for your valuable information.

ASSISTANT: Thank you for availing us. Have a nice day ahead.