You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sarah Scott and I want to book ticket from IAD to DFW.

ASSISTANT: Let me know your travelling dates in order to book a ticket.

USER: My travel dates are 01/26 and 01/28.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: Found ticket with airline Delta for price 200 having flight number 1015.

USER: You can proceed with the booking.

ASSISTANT: Ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thanks.