You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Dallas, can you please book me a ticket from CLT to DFW?

ASSISTANT: Sure, I am here to help you for this. When are you planning your trip?

USER: My preferable journey dates are Aug 21 and Aug 23.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any other criteria?

USER: No.

ASSISTANT: As per your data, there is a flight with Spirit Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: Please book my ticket with the name Larry Gonzalez in this flight.

ASSISTANT: Your ticket is reserved in economy class with the flight-1000. Would you like me to make the booking now?

USER: Thank you for booking my ticket.

ASSISTANT: Sorry, your depart time is 23:00 hours and again your arrival time is 2:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you very much for contacting our agency.