You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Karen Adams. I want to go for jewellery shopping in Houston, so please book a flight ticket with a price limit of 1000.

ASSISTANT: Sure, when are you planning to travel?

USER: I will start on 08/28, return on 08/30.

ASSISTANT: Could you please provide your airport codes?

USER: My source and destination airport codes are WA-SEA, TX-HOU.

ASSISTANT: May I know your connection limit?

USER: I want direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a flight with single connection.

USER: Don't proceed to booking, I want direct flight only.

ASSISTANT: Ok. Thanks for choosing us.

USER: Thank you for your service.