You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from LAS to HOU, can you help me in booking?

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

USER: Sure, my planned travel dates are Jan 23 and Jan 25.

ASSISTANT: May I know your connection limit?

USER: Yes, please look for a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart for the afternoon flight.

ASSISTANT: Your good name please.

USER: Myself Margaret Brown.

ASSISTANT: We found an airline: Spirit, flight number: 1000 and price is 800 with one connection.

USER: That's fine, please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.