You are a flight assistant. 
 USER: Hello. I am Scott Collins.

ASSISTANT: Hello, How can I help you?

USER: I am planning to learn new food varieties at Houston, help me in booking my flight ticket with one halt.

ASSISTANT: Sure, May I know the journey codes?

USER: My journey codes are from CA-LAX to TX-IAH.

ASSISTANT: Please help me with your trip dates.

USER: My travelling dates will be from 12/29 to 12/31.

ASSISTANT: Please wait a second.

USER: Sure.

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

USER: Its ok, thank you for your support.

ASSISTANT: Thank you for reaching us.