You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Charles Davis.

ASSISTANT: How can I assist you at this moment?

USER: I have a business meeting in Phoenix, can you help me for booking a flight ticket from DEN to PHX?

ASSISTANT: Sure, we are here to help you with this. May I know your journey dates, please?

USER: My travelling dates are Feb 20 and Feb 22.

ASSISTANT: Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Please hold for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: There is a connecting flight-1029 in Frontier Airlines with a fare of 100. Shall I book it for you?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been done in economy class, the depart time is 15:00 PM and return time is 0:00 AM.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a safe journey.