You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Will you help me in booking the flight ticket from SFO to IAD?

ASSISTANT: Sure, we are glad to assist you in booking. Do you need a flag stop in between your journey?

USER: I need flight with single connection.

ASSISTANT: Please share your planned travelling dates to proceed further.

USER: My travelling dates are July 22 and July 24.

ASSISTANT: May I know if you have any depart and return timings?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name please?

USER: Myself Jonathan Lee.

ASSISTANT: Thank you for sharing your journey details, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Southwest airline with the flight number-1001. Shall I book the ticket?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been confirmed with the connecting flight.

USER: Thank you for helping me.

ASSISTANT: It's pleasure to serve you.