You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please let me know how may I help you?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from ATL to IAD?

ASSISTANT: Sure, I am gleeful to help you. Can I know your travel dates please?

USER: I would like to depart on Apr 15th and return on Apr 17th.

ASSISTANT: Ok, please tell me your requirements about the connections in between your journey.

USER: I am looking for a connecting flight.

ASSISTANT: Ok, please send me your other preferences.

USER: I have no other preferences.

ASSISTANT: What is your good name?

USER: I am Sarah Taylor.

ASSISTANT: There is a flight in the Southwest Airlines which is having a single connection in between your journey and the ticket fare is 200. Are you fine with an economy class ticket?

USER: Yes, please confirm the booking.

ASSISTANT: I have successfully reserved your ticket with the flight-1005.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: My pleasure to provide you the service. Thank you for utilising our services.