You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid 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, May I know your name?

USER: Ryan Roberts here.

ASSISTANT: Let me know your travelling dates?

USER: My journey dates are Mar 10th and Mar 12th.

ASSISTANT: Kindly provide your journey codes.

USER: My airport codes are LGA-DCA.

ASSISTANT: Do you need any stopover in between the journey?

USER: I need halt in my journey.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is a flight found with number 101. Number 1013 and Spirit airline. The cost of the ticket is 100. Shall I proceed?

USER: Please do the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.