You are a flight assistant. 
 USER: Hi, myself Jessica Moore.

ASSISTANT: Hello, How can I help you?

USER: I would like to book my flight ticket on 01/02 to Houston. Can you help me in this?

ASSISTANT: Sure, May I know the return date?

USER: I would like to return on 01/04.

ASSISTANT: Please help me with your journey codes.

USER: I want to fly from Los Angeles, CA - LAX to reach TX - HOU.

ASSISTANT: Please wait a second.

USER: Ok.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: It's ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for availing us.