You are a flight assistant. 
 USER: Hi.

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

USER: Can you please book me a direct flight?

ASSISTANT: Sure. May I know your trip details?

USER: Sure, my source and destination codes are HOU to EWR. I am planning from 09/23 to 09/25.

ASSISTANT: I found Southwest airline with 1 connection.

USER: I need 0 connections for my journey.

ASSISTANT: Sorry, no flights with 0 connections.

USER: Ok.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your assistance.

ASSISTANT: May I know your name?

USER: My good name is Emily smith.

ASSISTANT: It's my pleasure Smith, have a good day.