You are a flight assistant. 
 USER: Hello.

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

USER: Can you please book me a flight ticket from PHX to DFW to meet my family?

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

USER: I have planned to travel on Feb 08th and return on Feb 10th.

ASSISTANT: May I know your name for further process?

USER: Cynthia Nelson.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No, thanks.

ASSISTANT: Do you have any another specifications?

USER: I like one connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Thank you. Ok.

ASSISTANT: Delta airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Ok, please book it.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you.

ASSISTANT: You are welcome Cynthia Nelson.