You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: Can you please book me a flight ticket from SFO to DFW?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My preferable travel dates are from June 26th to June 28th.

ASSISTANT: May I know your name for further process?

USER: I am Joshua King.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: Yes, I want to depart in the afternoon.

ASSISTANT: Do you have any another specifications?

USER: I want a break in between my journey.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: UA airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Yes, please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1004.

USER: Thank you.

ASSISTANT: You are welcome Joshua King.