You are a flight assistant. 
 USER: Hi. I am Katherine Martinez.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to book a flight ticket from Houston to celebrate the food festival with my parents in Los Angeles. Can you please aid me in booking a flight ticket?

ASSISTANT: Could you please mention your travelling dates?

USER: My travelling dates are 09/15 and 09/17.

ASSISTANT: May I know your source and destination airport codes?

USER: My source code is TX-IAH and destination code is CA-LAX.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: We found a flight with 2 connections, shall I proceed?

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.