You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How may I aid you today?

USER: I am Dennis Scott.

ASSISTANT: Ok.

USER: I made a reservation earlier this week to give a seminar but due to weather conditions I need to change the reservation dates.

ASSISTANT: Ok.

USER: Please, help me.

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: Please wait for a while, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for availing us.