You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Shirley Rodriguez. I want to go from IAD to DFW to meet my friends, can you please help me to book a ticket?

ASSISTANT: Sure, help me with your travelling dates.

USER: Sure, my travel dates are from 01/27 to 01/29.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a halt.

ASSISTANT: We found a connecting flight in Delta airlines with a fare of 200 and the flight number is 1026. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your booking has been confirmed with 1026 flight.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.