You are a flight assistant. 
 USER: Hello, I am Mary Baker.

ASSISTANT: Hi,Mary. How can I help you?

USER: I need a connecting flight to Denver to attend my brother marriage. Can you please book a flight ticket with fare of 500?

ASSISTANT: Definitely,will you provide your journey points with dates?

USER: My traveling details are departure on 08/13 from San Farncisco, CA - SFO to Denver, CO - DEN and return on 08/15.

ASSISTANT: Fine,give me a minute.

USER: Sure.

ASSISTANT: We have found a flight matching your requirement.

USER: Ok, let me know my flight details.

ASSISTANT: Spirit airline of 1025 flight number of cost 100 with one connection. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Sure. Your reservation has been confirmed. Thank you for choosing our service.

USER: Thank you for confirming.

ASSISTANT: Have a safe journey.