You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Carol Brown. Can you please help me in booking my flight ticket from BOS to DFW?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are Jan 25 and Jan 27.

ASSISTANT: Do you have any preferences?

USER: I need connecting flight.

ASSISTANT: There is a connecting fight with number 1026 in airline Frontier, the fare is 300 in economy class. Can I book it?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.