You are a flight assistant. 
 USER: Hello, I am Virginia Thomas.

ASSISTANT: Hello, how may I help you?

USER: I have a plan to enjoy my holiday trip in Boston with my friends, can you help me for booking a plane with the price limit of 5000?

ASSISTANT: Sure, would you please provide your preferable dates?

USER: My preferable dates are from 12/18 to 12/20.

ASSISTANT: Ok, please mention your airport codes.

USER: My source is Seattle, WA - SEA.

ASSISTANT: Ok, please wait a moment I'll check and revert you.

USER: Destination is MA - BOS. Sure.

ASSISTANT: Thanks for your patience, found a flight with 1 connection and price is 200. If you are willing to proceed, I will provide you the details of your flight.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your booking is confirmed with AA airline and flight number is 1028.

USER: Thanks for your service.

ASSISTANT: Thanks for reaching us. Have a nice day!.