You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Barbara Nelson. I want to book a flight ticket from IAD to SFO. Could you help me in booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your dates of travel?

USER: My travelling dates are from April 30 to May 02.

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

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline Frontier with flight 1025 having a fare 100 with halt. Shall I proceed to book?

USER: Yes, please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you.