You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Katherine Carter.

ASSISTANT: Ok.

USER: I need to book a ticket from DCA to DFW to attend the Name function. Could you please help me in doing that?

ASSISTANT: Ok, please let me know your travelling dates?

USER: Sure, my travelling dates are 11/12 and 11/14.

ASSISTANT: We found a flight from Spirit airlines with single connection and fare is 100. Shall I confirm?

USER: Ok, you can proceed with booking.

ASSISTANT: Your ticket is booked and flight number is 1006.

USER: Thank you.

ASSISTANT: Thank you for reaching us.