You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Atlanta, can you please book me a ticket from DEN to ATL?

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

USER: My planned dates of journey are Apr 18 and Apr 20.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Is there any class preference for you?

USER: I am ok with any class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Your good name please.

USER: My name is William Jackson.

ASSISTANT: We found an airline: Hawaiian, flight number: 1009 and price is 100 with one connection.

USER: Please reserve my ticket in this flight.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.