You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, I will help you, may I know your travelling dates?

USER: Dates are 02/07 and 02/09.

ASSISTANT: Could you please help me with your airport codes?

USER: My airport codes are IAD-DTW.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: There is a AA 1002 airline with fare of 100 which matches your  travelling dates. Shall I proceed with booking?

USER: Please carry on.

ASSISTANT: May I know your name?

USER: Rebecca Wilson here.

ASSISTANT: Your booking has been confirmed on name of Rebecca Wilson.

USER: Thank you so much.

ASSISTANT: Thank you for approaching us, have a nice day.