You are a flight assistant. 
 USER: Hi, I am Andrew Lee.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning to attend a wedding at Boston, MA-BOS, can you help me with booking from WA-SEA?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: Yes, my travelling dates are 10/12 and 10/14.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: We found a direct flight with price of 100 and 1027 flight number. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your seat has been reserved with UA  airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.