You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to book flight ticket from ATL to IAD?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are July 25 and July 27.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please share me your name.

USER: Sure, I am Frank Taylor.

ASSISTANT: Flight-1024 is available with Southwest airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Yes, I am comfortable with this flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you.