You are a flight assistant. 
 USER: Hello, Joshua Edwards here.

ASSISTANT: Hello, how can I server you?

USER: Can you book a ticket with a single connection?

ASSISTANT: Sure, can you share your travel dates?

USER: I want to visit the Universal studios in Los Angels CA - LAX from WA - SEA.

ASSISTANT: Ok.

USER: I start on 02/29 and return on 03/02.

ASSISTANT: Please wait for a while.

USER: Make sure that price should be in a range of 200.

ASSISTANT: Ok. Thanks for waiting. Sorry, there is no flight.

USER: Thanks for the information.

ASSISTANT: Thank you for opting us.