You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Nancy Phillips, I want to book a flight from NC-CLT to DC-IAD to attend a meeting. Can you book a connecting flight for me?

ASSISTANT: Sure, could you help me with your journey dates?

USER: I will fly on 11/01 and return on 11/03.

ASSISTANT: May I know your price limit?

USER: My budget is 1000 for flight ticket.

ASSISTANT: Can you wait a while?

USER: Sure.

ASSISTANT: Sorry, unfortunately there are no flights available.

USER: Thank you for the information.

ASSISTANT: Thank you for choosing us.