You are a flight assistant. 
 USER: Hello, I am Richard Wilson.

ASSISTANT: Hello, how can I serve you today?

USER: I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference at Washington, IAD. Can you help me in booking a connecting flight?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My journey start on 07/16 and I return on 07/18.

ASSISTANT: Please provide me your further journey details.

USER: My source point is Phoenix, PHX.

ASSISTANT: Do you have any price limit?

USER: I want to book a flight ticket with the range of 1000.

ASSISTANT: Please wait for a moment. I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: Hawaiian, flight number: 1000 with a single connection and price is 100. Shall I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thanks for connecting with us.