You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen Turner.

ASSISTANT: How may I aid you?

USER: I have planned to visit Olympic National Park at Washington, could you please help me with booking a flight ticket?

ASSISTANT: Sure, Can I have the airport codes that you prefer to travel?

USER: My nearest source airport code is EWR and destination airport code is IAD.

ASSISTANT: Ok, can you please tell me your travelling dates?

USER: I would like to take off on 01/07 and return on 01/09.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: I have found a flight with the Delta airlines and the ticket fare is 100. Can I proceed?

USER: Please proceed with the booking if the connection limit is 1.

ASSISTANT: Yes Turner, your ticket is booked with the flight number 1017.

USER: Thank you for the help.

ASSISTANT: Thank you for communicating us.