You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from Denver to Boston?

ASSISTANT: Sure, please share your planned trip dates?

USER: My trip dates are Oct 14 to Oct 16.

ASSISTANT: Can I have your name please?

USER: My name is Andrew Hall.

ASSISTANT: Let me know your airline preference?

USER: I would like to prefer normal cost airline.

ASSISTANT: Any other requirements to be met?

USER: I need a flight with single connection.

ASSISTANT:  American Airline flight 1022 available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Ok, please proceed to book.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.