You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Can you please make a reservation with the name of Justin Smith?

ASSISTANT: Sure, could you please provide your take off and landing airport codes?

USER: My airport codes are, HOU to LAX.

ASSISTANT: May I know your planned travel dates?

USER: My journey start on Sept 17th, and arrival on Sept 19th.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight in my journey.

ASSISTANT: We found a direct flight 1004 from Hawaiian airline with a fare of 100.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.