You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can help you today?

USER: I need to travel from SEA to BOS, can you help me?

ASSISTANT: Sure, can I know your good name please?

USER: I am James Williams.

ASSISTANT:  When you are willing to travel?

USER: My journey dates are July 21 to 23.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: No.

ASSISTANT: There is a connecting flight 1012 in Frontier airlines at the price of 200 with economy class. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.