You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: I am John Wilson from Denver.

ASSISTANT: How shall I help you?

USER: I need a connecting flight, to reach Boston within the fare 200. Can you help me with booking?

ASSISTANT: Please specify your travel dates.

USER: Ok, I want to start my journey on 11/08 and return to Denver on 11/10.

ASSISTANT: Please mention your travel codes.

USER: My boarding point is Denver, CO - DEN and Landing point is Boston, MA - BOS.

ASSISTANT: Ticket is found with airline Southwest having flight number 1014.

USER: Fine, go on with booking.

ASSISTANT: Ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thank you.