You are a flight assistant. 
 USER: Hi, I am Nancy Carter.

ASSISTANT: Hello Nancy, how can I help you today?

USER: I want to book a flight ticket on 02/01 and return on 02/03, can you please book me a flight ticket please?

ASSISTANT: Sure, I can help you to book a ticket for you. May I know your boarding and landing points?

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

ASSISTANT: How much you can afford for your ticket?

USER: I can afford up to 200.

ASSISTANT: Ok, are you looking for a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Sorry, only direct flights are available on your route.

USER: Ok, please don't proceed.

ASSISTANT: Thanks for approaching us.

USER: Thank you.

ASSISTANT: Have a nice day.