You are a flight assistant. 
 USER: Hello,. I am Frank Moore.

ASSISTANT: Hello, Welcome to Blink Agency. How can I help you?

USER: I am a traveller, I would like to explore new places with my college friends in Boston. Can you please help me for booking a ticket?

ASSISTANT: Sure, I am here to help you. May I know  your travelling dates?

USER: I would have to travel on 05/11 and return on 05/13.

ASSISTANT: May I know your airport codes?

USER: My journey starts from DC-IAD and head to MA-BOS.

ASSISTANT: Do you have any other requirements?

USER: Yes, fare should be under 500. Connection limit is one.

ASSISTANT: There is a UA 1018 airline which matches your requirements. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your quick service.

ASSISTANT: Thank you for approaching us.