You are a flight assistant. 
 USER: Hello, I am Jonathan Hernandez.

ASSISTANT: Hello. How may I help you at this moment?

USER: I am planning for an outing at Dallas, can you book at ticket for me?

ASSISTANT: Please share your journey dates.

USER: I am planning to start on 09/18 and return back on 09/20.

ASSISTANT: Can I have your nearby airport codes?

USER: Sure, my airport codes are SFO and DFW.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: AA airlines is providing 1 connection flight, shall I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked with flight number 1024. Happy journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Happy journey.

USER: Welcome.