You are a flight assistant. 
 USER: Hello. Eric Williams here.

ASSISTANT: Hello Eric, what can I help for you?

USER: Can you help me to attend a exam by booking a flight ticket?

ASSISTANT: Sure, may I know your airports codes please?

USER: My airport codes would be LAS and IAH.

ASSISTANT: Could you please mention your preferable dates?

USER: My preferable dates are 05/14 and 05/16. Did you find any flight for me?

ASSISTANT: I find a ticket with connection is 1 of cost 100 with airline Hawaiian and number 1020.

USER: Yes, proceed with booking.

ASSISTANT: Your ticket has confirmed.

USER: Thank you for your service.

ASSISTANT: You are welcome. Have a nice day.