You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am gleeful to help you with that reservation.

USER: Thank you.

ASSISTANT: May I know on what dates would you like to travel?

USER: My journey dates are 03/17 and 03/19.

ASSISTANT: Could  you please mention your preferable airport codes?

USER: My airport codes are MSP-CLT.

ASSISTANT: Do you have any other specifications?

USER: Price should not cross 1000.

ASSISTANT: May I know your name, please?

USER: Emma Mitchell here.

ASSISTANT: Sorry to say that, there are no flights available in this route as per your travel dates.

USER: Thank you.

ASSISTANT: You are most welcome, thank you for reaching our agency.