You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Richard Taylor. Can you help me to book a flight on 07/09 and 07/11?

ASSISTANT: Sure Taylor, can I know the airport codes please?

USER: My preferred airport codes are HOU and SEA.

ASSISTANT: There is a flight in Hawaiian airline with price 300, can I book it?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked with flight number 1008.

USER: Than you for your help.

ASSISTANT: Thank you for approaching us.