You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a flight ticket from IAD to ATL?

ASSISTANT: Sure, I am here to help you with that. Can I have your trip dates?

USER: Thank you. I have planned my travel  dates as Oct 18 and Oct 20.

ASSISTANT: Ok, do you prefer a direct flight or a connecting flight?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Ok, do you have any other specifications?

USER: No, I do not have any other specifications.

ASSISTANT: Ok, please tell me your respective name to proceed further.

USER: Sure, myself Patrick Hall.

ASSISTANT: The Hawaiian airlines is providing a single connected flight with the ticket cost 100. Shall I book an economy class ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, I have booked your ticket with the flight-1017.

USER: Thank you for your help.

ASSISTANT: Have a nice journey. Thank you for opting us.