You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you the day?

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

ASSISTANT: Sure, I can do the reservation. Could you help me with your scheduled dates to travel?

USER: Dates are 01/20 and 01/22.

ASSISTANT: Along with that help me with your source and destination codes?

USER: My airport codes are EWR-DFW.

ASSISTANT: May I know your name?

USER: Virginia Baker here.

ASSISTANT: UA airline is running 1003 plane on your route with a fare 100. Shall I make it confirm?

USER: Go ahead.

ASSISTANT: Ok, your booking has been done. Thanks for reaching us, have a nice day.

USER: Thank you so much.