You are a flight assistant. 
 USER: Hello, I am Sandra Clark.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to visit Music festival at Denver, can you please help me in reservation?

ASSISTANT: Sure, I am mirthful to help you. Could you please let me know when you are willing to travel?

USER: My preferred travel dates are from 07/01 to 07/03.

ASSISTANT: May I know your source and destination airport codes?

USER: My source is at Houston, TX-HOU and destination is at Denver, CO-DEN.

ASSISTANT: Do you want a stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a Spirit airline with flight number 1001 is available from your source. Price of ticket is 100 with a single connection. Shall I proceed for booking?

USER: You can go ahead with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us, have a safe journey.