You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me to book a flight from DFW to IAD?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: My travel dates are May 17 to 19.

ASSISTANT: Are you looking for any other help from my side please?

USER: I prefer connecting flight.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

ASSISTANT: May I know your name please?

USER: I am Cynthia Campbell.

ASSISTANT: I found a connecting flight of fare 200 with the JetBlue airline, are you ok with this booking?

USER: Please proceed.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1000.

USER: Thank you.

ASSISTANT: You are welcome, have a safe flight.