You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Carol Hernandez here. Could you book my ticket from HOU to CLT?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My itinerary dates are Feb 12 and Feb 14.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I prefer single stopover in my journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a direct airline: Frontier, flight number: 1014 and price is 700.

USER: Please book my ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.