You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Stephen Evans. To attend a music concert, I want to go to Phoenix. Can you please book a flight ticket from DCA to PHX?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My planned travel dates are Oct, 3 and Oct, 5.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Ok. Please book the ticket.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.