You are a flight assistant. 
 USER: Hi. Gary King here.

ASSISTANT: Hello, how can I help you?

USER: Book a ticket from PHX to DFW, to meet my school teacher.

ASSISTANT: Sure, Can you mention your travelling dates?

USER: Sure, my trip dates are from 12/17 and 12/19. I am looking direct flight.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: We found Southwest airline with connecting flight and number 1013 fare of 200. Shall I proceed for booking?

USER: I am looking for direct flight as I said before.

ASSISTANT: Sorry we don't found direct flight.

USER: Ok, then thanks for your information.

ASSISTANT: Thanks for approaching us.