You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Anthony Thomas here. I want to travel from Boston to Seattle for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are from 02/19 to 02/21.

ASSISTANT: Can you please share your source and destination airport codes?

USER: My airport codes are from BOS to SEA. Make sure my price limit is 500.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight.Shall I confirm your booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked with flight 1005.

USER: Thanks for helping me.

ASSISTANT: You are most welcome.