You are a flight assistant. 
 USER: Hello, Kevin Moore here.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit library of congress at Washington. Can you please book a ticket with a price limit of 200? I need a halt in between my journey.

ASSISTANT: Sure, may I know your boarding and landing airport codes please?

USER: I want to travel from SEA to IAD.

ASSISTANT: On which dates are you planning to travel?

USER: My planned journey dates are 08/20 and return on 08/22.

ASSISTANT: Flight-1009 from JetBlue airlines is ready to serve you with ticket fare of 100 and 1 connection. Shall I proceed booking?

USER: You can proceed.

ASSISTANT: Your ticket has been booked successfully, have a happy journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.