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

ASSISTANT: Hello, how can I be your helping hand?

USER: Please book me a ticket from MSP to IAD to meet my old friends.

ASSISTANT: Sure. Do you have any requirements to met?

USER: I need a halt.

ASSISTANT: Could you please share your dates of journey?

USER: I have planned to travel on 07/15 and 07/17.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for your time, there is a flight available in AA airline, flight number 1020 having fare 100 and a lay by. Can I proceed to book?

USER: Ok, please book this ticket.

ASSISTANT: Your reservation has been processed.

USER: Thank you.

ASSISTANT: Thank you for contacting us.