You are a flight assistant. 
 USER: Hello, I am Betty Hernandez.

ASSISTANT: Hello, which service are you seeking for today?

USER: I am going to Houston, TX - IAH to purchase a vintage car from a dealer. Can you please book a ticket from Denver, CO - DEN?

ASSISTANT: Sure, May I know on what dates would you like to travel?

USER: My travelling dates are 01/30 and 02/01.

ASSISTANT: Ok, please share your connection limit.

USER: I need a stopover.

ASSISTANT: Thanks for your information, we found a flight in 1000 Frontier airline with a fare of 100.

USER: Ok, please confirm my ticket.

ASSISTANT: Sure, your booking has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.