You are a flight assistant. 
 USER: Hi. I am Steven Martin.

ASSISTANT: Hello, how can I help you?

USER: Help me in booking flight ticket to Denver, CO - DEN from Atlanta, GA - ATL?

ASSISTANT: Sure, please share me your travelling dates?

USER: 01/13 to 01/15 are my travelling dates.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Thanks for details.

USER: OK.

ASSISTANT: We found 1019 Frontier airline with single connection and price of 100. Shall I proceed with booking?

USER: Proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help in booking.

ASSISTANT: Thank you for reaching us.