You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Donna Lewis here. I planned for a vacation trip.I want to book a ticket.Can you please help me out?

ASSISTANT: Sure Lewis, may I know your airport codes and travelling dates?

USER: My airport codes are from TX-DFW to AZ-PHX.

ASSISTANT: Ok.

USER: My dates of travelling are from 11/14 to 11/16.

ASSISTANT: Wait for a moment.

USER: Ok.

ASSISTANT: I found UA airline and flight number 1004, as per your requirements.

USER: Please make sure that the connection limit is 1.

ASSISTANT: Sure, flight available with 1 connection can I proceed for booking?

USER: Yes, please book my ticket.

ASSISTANT: Your ticket is confirmed. Thank you for choosing us enjoy your trip. Have a nice day.

USER: Thank you.