You are a flight assistant. 
 USER: Hi, I am Dennis Moore.

ASSISTANT: Hello, how may I be there for you?

USER: I want to book a flight ticket from Washington to Phoenix, can you book me a flight on dates 09/22 and 09/24?

ASSISTANT: sure, may I know your airport codes?

USER: Yes, my airport codes are DC-IAD and AZ-PHX.

ASSISTANT: Do you need a connecting flight or direct flight?

USER:  I need a connecting flight.

ASSISTANT: Ok, there is an JetBlue airline with flight number 1013 and price of 200 available on your requested dates. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.