You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Mark Baker want to visit Atlanta, can you book a ticket from CLT to ATL?

ASSISTANT: Sure, can you share your planned travel dates?

USER: Yes, my planned dates to travel are 09/19 and 09/21.

ASSISTANT: Spirit airlines is having a flight on that route with travel charge of 100, shall I proceed booking?

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket has been booked with flight-1023, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.