You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you today?

USER: I want to book a connecting flight ticket to meet my friend's who stay at CO. Can you help me?

ASSISTANT: Sure, let me know your trip dates?

USER: 06/21 and 06/23 are my trip dates.

ASSISTANT: May I know your airport codes?

USER: CLT and DEN are my airport codes.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Can I know your name?

USER: Jonathan Jones.

ASSISTANT: We found a connecting flight 1001 in Frontier airline with fare 100 and class is economy. Shall I proceed?

USER: That's Perfect, You can reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.