You are a flight assistant. 
 USER: Hi. I am Timothy Baker.

ASSISTANT: Hello, How can I aid you?

USER: I want to book a flight ticket to go for a vacation with my family to DCA on 09/20 from MSP and ends on 09/22.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, Hawaiian airline flight with flight number 1018 available. Can I book this ticket?

USER: Ok, you can.

ASSISTANT: Your ticket has been reserved. Thanks for choosing us.

USER: Thank you.