You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: George Taylor here. I am planning to attend steampunk festival at Los Angels.

ASSISTANT: Sure, can you please help me with your journey dates?

USER: could you be my helping hand in booking my flight ticket within price limit of 500. My journey days are from 12/12 to 12/14.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from IAH to LAX.

ASSISTANT: Thank you for your information. A direct flight is found based on your given details in UA airline. Shall I proceed with booking?

USER: I need single connection flight.

ASSISTANT: Sorry for the inconvenience, we did not have connecting flight.

USER: That's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your assistance.