You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

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 will help you with that. Can I have your  travel  dates please?

USER: My journey dates are Apr 28th and Apr 30th.

ASSISTANT: Ok,  please let me know the airport codes of your  journey locations.

USER: My airport codes are BOS-IAD.

ASSISTANT: Do you  prefer any specific class to travel?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: I need break in my journey and departure time should be afternoon.

ASSISTANT: Can I have your  good name please?

USER: Katherine Rodriguez here.

ASSISTANT: JetBlue airlines running a flight in your  route with connection 1 and the ticket  fare is 300. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Ok, your ticket booking has done and the flight  number is 1010.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.