You are a flight assistant. 
 USER: Hello. I am Benjamin Green.

ASSISTANT: Hello, how can I help you today?

USER: Can you book a flight ticket from Houston, IAH to Denver, DEN?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know when you are willing to travel?

USER: My travelling dates are from 12/30 to 01/01.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found UA airline with connecting flight and number 1000 fare of 100. Shall I confirm it?

USER: Ok, Proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.