You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Brain Hill here. I would like to book a ticket from SEA to ATL, can you please help me with that?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: The travel dates are from 04/07 to 04/09.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: There is a connecting flight 10174 with price 200, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done, have a nice journey.

USER: Thank you.

ASSISTANT: Welcome.