You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have planned to go for a adventurous trip to Mount Evans on 06/15, can you hold me a single connecting flight?

ASSISTANT: Sure, please provide me your airport codes.

USER: Sure, I am going from DC-IAD to CO-DEN.

ASSISTANT: Please let e know your return date.

USER: I will be back on 06/17.

ASSISTANT: To proceed further, can I have your name please?

USER: Sure, I am Amanda Mitchell.

ASSISTANT: We found a connecting flight with price 100, flight number is 1021. Shall I go for booking with Frontier airlines?

USER: That's perfect, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your quick response.

ASSISTANT: Thanks for choosing us to serve you.