You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

USER: Can you please help me to book a flight from IAD to EWR?

ASSISTANT: Sure, I will help you with that flight ticket booking. May I know your planned journey dates?

USER: Sure, I want to depart on July 16 and need to return on July 18.

ASSISTANT: Do you have any airline preference?

USER: No.

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

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: United Airlines are providing a flight-1003 with single connection limit and the ticket fare is 100. shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: May I know your name for booking purpose?

USER: Ashley Adams here.

ASSISTANT: Ashley Adams, your booking has been done in economy class.

USER: Thank you.

ASSISTANT: Most welcome, thank you for choosing our agency. Have a safe journey.