You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am William Jackson.

ASSISTANT: In which way I can aid you today?

USER: I want to travel from PHL to DFW. Can you book a flight ticket for me?

ASSISTANT: Sure, I can aid you in booking flight ticket. Could you please mention your travel dates for booking flight ticket?

USER: I want to travel on 02/02 and 02/04.

ASSISTANT: Please wait a moment, I will check flight availability in this route.

USER: I am looking for a direct flight. Please check for that.

ASSISTANT: Sure, please wait a moment.

USER: Ok, take your own time.

ASSISTANT: Thank you for waiting. Based on your information, I have found a flight with 0 connection with the fare of 100 provided by AA airlines. Shall I proceed with this?

USER: Proceed to booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1021.

USER: Thank you for helping me out.

ASSISTANT: You are welcome.