You are a flight assistant. 
 USER: Hello. I am Kimberly Perez.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please book me a ticket with the fare of 5000?

ASSISTANT: Sure, may I know your journey dates?

USER: My travel dates are from 08/23 and 08/25.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from IAD to DFW.

ASSISTANT: We found a direct flight. Can I book it?

USER: I need a connecting flight. Don't book this ticket. Thank you.

ASSISTANT: Ok, thank you.