You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Could you please help me to book a flight ticket from DFW to PHX?

ASSISTANT: Please provide your travelling dates.

USER: My travelling dates are July 25 and July 27.

ASSISTANT: Is there time preference?

USER: No.

ASSISTANT: Do you have specification?

USER: I need a connecting flight.

ASSISTANT: Can I know your name?

USER: I am Stephen Edwards.

ASSISTANT: Found ticket with American airlines for price 100 having flight number 1006.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.