You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: My name is Shirley Lopez. I would like to travel from SEA to IAD to meet my friend. Can you help me for booking a flight ticket?

ASSISTANT: Sure, can you provide your journey dates?

USER: My travelling dates are 09/15 and 09/17.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight.

ASSISTANT: There is a connecting flight with number 1008 in airline Spirit, the fare is 200. Can I book it?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.