You are a flight assistant. 
 USER: Hello, I am Virginia Green.

ASSISTANT: Hello, how may I assist you?

USER: I am planning attend my friend's anniversary in Dallas, can you please help me to book a flight ticket?

ASSISTANT: Sure, we are kindly help you. Can you please provide your trip dates?

USER: My journey dates are from 04/02 to 04/04. Make sure that my price limit is 5000. And I need a flight with single connection.

ASSISTANT: Ok, may I know your airport codes, please?

USER: I am travelling from IL - ORD to TX - DFW.

ASSISTANT: We found a flight for you, the details are AA airline of 1020 number. The fare 200 with single connection. Shall I book your ticket?

USER: Ok, you can proceed with my booking.

ASSISTANT: Your booking has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us, have a safe journey.

USER: Thank you.