You are a flight assistant. 
 USER: Hello. I am Debra Hill.

ASSISTANT: Hello, how may I help you?

USER: I wan to book a flight ticket to Washington DC-DCA, help me in booking my flight ticket from Denver CO-DEN.

ASSISTANT: Sure, let me know your travelling dates?

USER: 07/09 to 07/11 are my travelling dates.

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

USER: Yes, I need a journey.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a Frontier airline with fare 100 and a halt in between the journey.

USER: Please proceed.

ASSISTANT: Shall I proceed?

USER: Sure.

ASSISTANT: Your ticket has been confirmed with flight number 1019.

USER: Thank you.

ASSISTANT: Thanks for choosing us.