You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me in booking from DCA to PHX, as there is a business meeting to attend?

ASSISTANT: Let me know your travelling dates.

USER: My trip dates are Dec 17 to Dec 19.

ASSISTANT: Do you have any preference?

USER: I am looking for a stopover flight.

ASSISTANT: Can I know your name?

USER: I am Scott Anderson.

ASSISTANT: Found ticket with United airlines for price 100 having flight number 1004.

USER: You can reserve it.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.