You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Steven Johnson. Can you help me booking a flight ticket from PHL to DCA?

ASSISTANT: Sure, I am glad to help you in booking process. Can you please share your travel dates?

USER: I will start on July, 15 and return on July, 17.

ASSISTANT: Do you have any specification?

USER: I need a break in my journey.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Here, I found a flight for you with 1 halt and it costs you 100. Can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done with flight 1004 in Southwest airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.