You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Angela Mitchell. I want to book a plane from SEA to attend to my sister's marriage, can you help me for booking a plane under the price limit of 500?

ASSISTANT: Sure, may I know your landing point?

USER: Sure, my destination is NC - CLT.

ASSISTANT: Do you have any preferable connection limit?

USER: I need only one connection.

ASSISTANT: Please mention your dates of journey.

USER: My journey dates are from 07/21 to 07/23.

ASSISTANT: Give me sometime.

USER: Sure.

ASSISTANT: Thanks for being wait. We found a Delta airline with flight number 1020 and price is 200 available with your request.

USER: Ok, you can proceed for booking.

ASSISTANT: Your reservation is done.

USER: Thanks for booking a flight ticket.

ASSISTANT: Thank you for opting us.