You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, may I know your travel dates?

USER: My preferable journey dates are from 04/27 to 04/29.

ASSISTANT: Do you have any specification?

USER: Yes, I need 1 connection limit flight.

ASSISTANT: May I know your good name?

USER: My name is Ashley Allen.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1001.

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you so much.