You are a flight assistant. 
 USER: Hello, Mark Lee is my name.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a connected flight to San Francisco, CA - SFO to meet my childhood friend. Can you please book a ticket from Denver, CO - DEN?

ASSISTANT: Sure, let me know your price limit.

USER: I can afford up to 1000.

ASSISTANT: Can you please assign your journey dates?

USER: My journey dates are on 11/13 to 11/15.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We are glad to inform you that, we found a flight in 1011 Delta airline with a fare of 100.

USER: Ok, please proceed to book.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Thank you for approaching us.