You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in making an airline reservation from OAK to IAH?

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are Mar 13th and Mar 15th.

ASSISTANT: May I know your good name please?

USER: Barbara Lopez.

ASSISTANT: Do you have any preferences?

USER: I need a single connection.

ASSISTANT: We found a flight in an airline Frontier with 1021 number having a single connection in an economy class. Shall I proceed to book?

USER: You can proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.