You are a flight assistant. 
 USER: Hello. I am Joseph Turner.

ASSISTANT: Hello, how can I assist you today?

USER: I have started a charity trust at Denver, I want to help the poor children by this trust on 09/14, so I intend to start on 09/13, my return date will be 09/15. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your source and destination codes?

USER: I want to board from IAH and land at DEN.

ASSISTANT: Do you need a halt in between your journey?

USER: yes, I need a halt  to make my journey comfortable.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found an airline: UA, flight number: 1016 and price is 300 with a single connection.

USER: Please book it for me.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you your assistance.

ASSISTANT: Thank you for reaching us.