You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Green.

ASSISTANT: How may I support you today?

USER: Can you please help me to book a flight ticket from DFW - DTW?

ASSISTANT: Sure, we are here to help you in booking.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to start my journey on 04/17 and return on 04/19.

ASSISTANT: Do you have any other specifications?

USER: I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Southwest airline matching your details with single connection and the flight number-1001. Shall I book the ticket?

USER: Please proceed to book.

ASSISTANT: Your seat has been reserved and the fare of the ticket is 200.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.