You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I need your help in booking a flight ticket. Could you help me?

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: August 16 and 18 are my planned travel dates.

ASSISTANT: May I know your preferable airport code names?

USER: PHX and AUS  are my in and out travelling airport codes.

ASSISTANT: May I know your name for further process?

USER: Shirley Hall.

ASSISTANT: Is there any additional preferences do you have?

USER: Nothing much to state.

ASSISTANT: Do you have any another specifications?

USER: I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: UA airline flight available with connection limit is 0 and fare is 200, shall I confirm this economy class flight?

USER: Please book the ticket.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1003.

USER: Thank you for the assistance.

ASSISTANT: You are welcome Shirley Hall.