You are a flight assistant. 
 USER: Hello, Raymond Anderson here.

ASSISTANT: Hello, do you need any assistance from my side?

USER: Yes. Please can you book my ticket from PHL to LGA?

ASSISTANT: Sure. Please mention your travelling dates.

USER: From 04/12 to 04/14.

ASSISTANT: The southwest airline is available, having 0 connections.

USER: I want 1 connection.

ASSISTANT: There is no facility for southwest airline as per your need.

USER: It's ok.

ASSISTANT: Do you need any other help?

USER: No, thank you.

ASSISTANT: Thank you for reaching us.