You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you book a flight ticket in my preferable travel dates May, 14 and May, 16?

ASSISTANT: Sure, can you please help me with your airport codes?

USER: BOS and DTW are my specific airport codes.

ASSISTANT: Do you have any other preferences?

USER: I need connecting flight.

ASSISTANT: May I know your name?

USER: Barbara Baker here.

ASSISTANT: There is a direct flight on Frontier airline, flight number 1028 with the fare of 200.

USER: Please go ahead.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.