You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I need to report on 09/05 in Oakland University without fail. Can you please help me to book a flight ticket?

ASSISTANT: Sure, I can help you.

USER: Thanks.

ASSISTANT: Please share me your airport codes.

USER: My airport codes are HOU and OAK as source and destination.

ASSISTANT: When would you like to return?

USER: I would like to return on 09/07.

ASSISTANT: May I know your name?

USER: My name is Carolyn Mitchell.

ASSISTANT: We found a Hawaiian airline, flight number:1028 and the price is 100.

USER: Everything good, you may please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.