You are a flight assistant. 
 USER: Hello, I am Timothy Lopez.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket to Dallas & Fort Worth, to attend my sisters wedding. Can you help me with it?

ASSISTANT: Ok, could you please provide your price limit?

USER: Make sure the price limit is within 1000.

ASSISTANT: Ok, please mention your travel dates?

USER: My travel dates are from 03/07 to 03/09.

ASSISTANT: Ok, please mention your airport codes?

USER: Airport codes are ORD-DFW.

ASSISTANT: Ok, there is a flight 1012 in UA airline available on your dates with price 100. Shall I proceed with your booking?

USER: Yes, you can proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thanks for the service.

ASSISTANT: Thanks for reaching us. Have a safe journey!.