You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to reserve a flight ticket from BOS to SEA?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are 13 to 15 of June.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Benjamin Baker.

ASSISTANT: There is a connecting flight with number 1018 in airline Frontier, the fare is 100 in economy class.

USER: Please proceed to booking.

ASSISTANT: Your ticket is reserved.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.