You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Actually I have planned a trip to enjoy my weekend. But, unfortunately I have misplaced the dates while booking. So, I need few changes. Can you help me to change my reservation?

ASSISTANT: Sure, we are pleased to serve you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Sure, Jacob Phillips is my name.

ASSISTANT: Please wait for a while.

USER: Ok, please make it fast.

ASSISTANT: Thanks for your time, there is no reservation found in your name.

USER: That's ok, not a problem.

ASSISTANT: Thank you for availing us.

USER: Thanks for your help.