You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket from Philadelphia to attend a robotic workshop in Dallas. Could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, We are here to help you. Can I know your trip dates?

USER: I intend to start on 01/21 and my return date will be on Jan 23rd.

ASSISTANT: Please share me your airport codes.

USER: I want to depart from PHL and my destination point is DFW.

ASSISTANT: On which name should I book the flight ticket?

USER: Please book my ticket with the name Dorothy Lewis.

ASSISTANT: Is there any other specifications?

USER: No, I don't have any other specifications.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: We found a direct flight with an Southwest airlines. Can I reserve it?

USER: That's fine, you can proceed with the booking.

ASSISTANT: Your flight ticket has been reserved with the flight number:1007.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.