You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I want to book a ticket from MSP to DEN.

ASSISTANT: Sure, can I know your preferable dates?

USER: Preferable dates are Oct, 24 to Oct, 26.

ASSISTANT: I found an economy class ticket in UA airlines with normal cost of 100 and it is a single connecting flight. Can I book your ticket?

USER: Please do not book ticket.

ASSISTANT: Can I know your name?

USER: My name is Joseph Moore.

ASSISTANT: Thank you.

USER: Thanks.