You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Please help me in booking flight ticket from IAD to EWR.

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

USER: My trip dates are Oct 29 to Oct 31.

ASSISTANT: Do you prefer any break in between journey?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: My return should be in the afternoon.

ASSISTANT: Can I have your good name?

USER: Myself Frank Walker.

ASSISTANT: Thanks for providing details, we found a connecting flight in Frontier airline with a fare of 100 which departs and return at 16:00 PM. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1027.

USER: Thank you for booking.

ASSISTANT: Thank you for availing us.