You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Ruth Carter, I want to book a flight from DEN to MSP to attend a meeting. Can you book a connecting flight for me?

ASSISTANT: Sure, let me know your travelling dates?

USER: I will travel on Apr 16 and return on Apr 18.

ASSISTANT: Is there any class preference?

USER: No, there is no any class preference.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a UA airline with flight number 1002 and price is 100. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.