You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me booking a flight ticket from IAD to DFW?

ASSISTANT: Sure, may I know your name?

USER: I am Edward Martinez.

ASSISTANT: When do you like to travel?

USER: I will start on 10/18 and return on 10/20.

ASSISTANT: Do you have any specifications?

USER: I need a break in my journey.

ASSISTANT: Flight-1008 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: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.