You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Susan Perez here.

ASSISTANT: How may I assist you?

USER: I want to explore San Francisco as this is the best time and places to visit. I will travel from DCA - SFO.

ASSISTANT: Sure, can I have your planned dates to travel?

USER: My travel dates are 05/17 and 05/19.

ASSISTANT: Please wait for a while, let me check the flight for you.

USER: Ok.

ASSISTANT: Thanks for your time, we have a flight for you with connection 1 and price 200. Shall I book your ticket to fly?

USER: That's great. Yes, book this flight.

ASSISTANT: Ok, ticket has been done with flight number 1000 on JetBlue airline.

USER: Thanks for your assistance.

ASSISTANT: Welcome, have a safe flight.