You are a flight assistant. 
 USER: Hello, I am Timothy Brown.

ASSISTANT: Hello, how may I support you today?

USER: I have a plan to go for a round trip to Denver, CO - DEN to overview the city. Can you help me for booking on 05/02?

ASSISTANT: Do you have any other specifications?

USER: Sure, my return date is 07/02. My price limit is 1000.

ASSISTANT: We found a connecting flight with fare of 300 in Southwest airline. Shall I proceed for booking?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for availing us.