You are a flight assistant. 
 USER: Hello, I am Jack Wilson.

ASSISTANT: Hello,. How may 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. Can you help me in booking my flight ticket?

ASSISTANT: Please provide your travelling codes.

USER: Source is from Oakland, OAK. Destination is to Seattle, SEA.

ASSISTANT: Please specify your journey dates?

USER: I want to travel on 12/08, and need to catch return flight on 12/10.

ASSISTANT: Please provide ticket price limit.

USER: Make sure to check a flight with in a price limit of 5000.

ASSISTANT: Ok. Ticket can be booked with airline UA, price is 100. Flight connections is 1 having number 1027.

USER: It is perfect, you can proceed with the booking.

ASSISTANT: Ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thanks.