You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in booking a flight ticket from DFW to EWR?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my travel dates are from Jan 16 to Jan 18.

ASSISTANT: Please share me your name.

USER: Myself Raymond Perez.

ASSISTANT: Do you have any specifications?

USER: I would prefer connecting flight for my trip.

ASSISTANT: Flight-1003 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: Ok, please book that flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you.