You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

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

ASSISTANT: Sure, when are you planning to make your trip?

USER: My trip dates are 10/16 and 10/18.

ASSISTANT: Could you please provide me your airport codes?

USER: My airport codes are IAH-CLT.

ASSISTANT: How many connections do you need?

USER: I need break in my journey.

ASSISTANT: Is there any other requirements?

USER: Departure time should be afternoon.

ASSISTANT: Please forward me your name.

USER: Brian Thomas here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us.