You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend an interview at San Francisco, SFO. Can you please book a ticket from IAD?

ASSISTANT: Sure, I am here to help you with that. Can you please share your preferable travel dates?

USER: My travelling dates are Mar 27 and Mar 29.

ASSISTANT: May I know your name please?

USER: I am Susan Taylor.

ASSISTANT: Would you like to travel in a connecting flight or in direct flight?

USER: I want single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found Southwest  airline with price 100 and economy class and airline number is 1006. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is done successfully .

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.