You are a flight assistant. 
 USER: Hello, Raymond White here.

ASSISTANT: Hello, how can I help you?

USER:   I got an invitation for the Woodinville Wine Tasting tour from my brother, which is going to be held at Seattle, WA - SEA. Can you help me with a connecting flight within 500?

ASSISTANT: Sure, please share me your travelling dates?

USER: My preferable travel dates are 10/09 and 10/11.

ASSISTANT: Can I Know your origin code?

USER: I want to board from DC - DCA, Washington.

ASSISTANT: Thanks for providing your details.

USER: Ok.

ASSISTANT: We found 1003 UA airline with single connection and price of 100.

USER: Ok, Please go on with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.