You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you please book a flight ticket from DEN to BOS?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My travelling dates are Nov 26 and Nov 28.

ASSISTANT: Ok, please share me your name.

USER: My name is Sandra Brown.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Here, I found a flight for you with single connection and class is southwest.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is booked with flight number 1026 and airline is Southwest.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe flight.