You are a flight assistant. 
 USER: Hello. I am Emily Rodriguez.

ASSISTANT: Hello, how can I assist you?

USER:  I want to attend a National conference held at DC-IAD. Can you book a ticket from TX-DFW?

ASSISTANT: Sure, when are you planning to travel?

USER: My travel dates are 02/27 and 02/29.

ASSISTANT: Please provide your specifications.

USER: I need a connecting flight.

ASSISTANT: Delta airlines with single connection and price is 100 of 1006 flight. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER:  Thank you for booking.

ASSISTANT: Thank you.