You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My airport codes are MCO-ORD.

ASSISTANT: Can you please share your planned travel dates?

USER: My journey dates are 01/02 and 01/04.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need break in my journey.

ASSISTANT: Let me know your depart time and return time.

USER: Return time should be evening.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Samantha Martinez here.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.