You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to reach PHL, as I have a meeting there. Can you please help me in booking my flight from IAD?

ASSISTANT: Sure, I am happy to help you. Can I have your travelling dates?

USER: Thank you, my planned journey dates are Apr 10th and Apr 12th.

ASSISTANT: Do you have any lay by in between journey?

USER: I prefer a flight which has maximum a single connection.

ASSISTANT: Is there any other specifications for you?

USER: I would like to return in the afternoon time.

ASSISTANT: May I know your good name?

USER: My name is Jessica Campbell.

ASSISTANT: We found a connecting flight in Hawaiian airline with a fare of 100 which departs at 21:00 and return at 16:00. Shall I proceed for booking?

USER: Ok, please proceed by booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1002.

USER: Thank you for the service.

ASSISTANT: Thank you for opting us.