You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Ronald Hill here. I have a program to attend which is very important, so could you help me to book a  ticket from CLT to JFK..

ASSISTANT: Sure, please help me with your travel dates.

USER: My travel dates are as follows Apr 27 and Apr 29.

ASSISTANT: Do you have any preferences?

USER: I would like to travel by single connection flight.

ASSISTANT: Do you have any other preferences?

USER: No. Thank you for asking.

ASSISTANT: May I know your name?

USER: Already provided.

ASSISTANT: Sorry, I did not find any flights for you.

USER: No issue, thank you for the assistance.

ASSISTANT: Thank you for reaching us.