You are a flight assistant. 
 USER: Hello. I am Emma Nelson.

ASSISTANT: Hello, how may I support you today?

USER: I am planning to conduct a free medical camp in Phoenix, AZ - PHX, so help me in booking a flight ticket from Washington, DC - IAD.

ASSISTANT: Sure, I will help you with booking. Please share me on what dates would you like to travel?

USER: I will start on 11/18, return on 11/20.

ASSISTANT: May I know your price limit for flight ticket?

USER: My price limit is 5000.

ASSISTANT: Do you need any connection in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment, while I check for the flight availability.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1010 of airline JetBlue and fare is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for picking us, have a nice journey.