You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Andrew Phillips here.

ASSISTANT: How may I help you?

USER: Can you book a flight ticket? My airport codes for boarding the flight are PHX to HOU. I am looking for a direct flight.

ASSISTANT: Please help me with your trip dates?

USER: Sure, travel dates for my journey are 04/23 to 04/25.

ASSISTANT: Sorry, there is a flight with 1 connection, can I proceed?

USER: Do not proceed. I need a direct flight.

ASSISTANT: Sorry for the trouble, thank you for your contacting us.

USER: Thank you.