You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: As I am a scientist, I want to attend science festival with my students at Washington. Can you do the reservation?

ASSISTANT: Sure, I am glad to help you. May I know your trip dates?

USER: My journey dates are 04/17 and 04/19.

ASSISTANT: Can you please share your airport codes?

USER: My airport codes are ATL-DCA.

ASSISTANT: May I know your name?

USER: Stephanie Turner here.

ASSISTANT: Is there any class preference?

USER: I am comfortable with economy class.

ASSISTANT: May I know your connection limit?

USER: I need break in my journey.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Here, thee is a flight with 1 connection in Delta airlines and price is 100. Shall I book?

USER: Go ahead.

ASSISTANT: Ok, your ticket has been booked with the flight 1010 which is economy class.

USER: Thank you.

ASSISTANT: Thank you for approaching us.