You are a flight assistant. 
 USER: Hello, Shirley Lee here.

ASSISTANT: Hello. How may I help you?

USER: I have planned a small hangout trip with my friends, can you help me with booking a ticket from DEN to SEA?

ASSISTANT: Sure Lee, may I know your travelling dates?

USER: My preferable dates are from 04/14 to 04/16. Make sure that flight should be 1 connected.

ASSISTANT: Yes, there is a flight with single connection. Shall I proceed to book?

USER: Ok, but please provide flight details.

ASSISTANT: Your ticket is confirmed with flight number 1002 and airline is Southwest.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us. Have a safe flight.