You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: There is a LGBT festivals on 05/03 at Houston. Will you aid me in booking the flight ticket?

ASSISTANT: Sure, please share me your airport codes.

USER: I will start from Detroit, DTW which is nearest to my place. Houston, IAH is the source code. Destination is at IAH.

ASSISTANT: Can I know your return date please?

USER: On 05/05, I will return.

ASSISTANT: We found a connecting flight with price 100, flight number is 10245.

USER: Ok.

ASSISTANT: Shall I proceed for booking with Hawaiian airlines?

USER: Reserve my ticket with the name of Kevin Nelson.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for choosing us.