You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi.

USER: I am Brandon Martinez.

ASSISTANT: How can I help you?

USER: Can you help me in booking a flight ticket from DEN to LGA?

ASSISTANT: Your travelling dates please?

USER: My travelling dates are from Dec 12 to Dec 14.

ASSISTANT: Here is a connecting flight with flight number 1023 and fare is 300, providing ticket in economy class. Shall I proceed with booking?

USER: Ok, You can proceed.

ASSISTANT: Your booking is done in Spirit airlines.

USER: Thank you.

ASSISTANT: Thank you for choosing us.