You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking my flight ticket from IAD to BOS?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you and my travelling dates are from 01/16 to 01/18.

ASSISTANT: May I know your name?

USER: Myself Amy Baker.

ASSISTANT: Do you need any connections between your trip?

USER: Yes, I need a single connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: We found Frontier airlines, flight number:1012 is going on your way with single connection and price:200. Is that Ok for you?

USER: It is ok for me, please proceed.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.