You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: My name is Donna Thompson. I have planned to visit DEN to meet my friend, can you please book a flight ticket from SFO?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Could you  please let me know your preferable travel dates for booking flight ticket?

USER: Ok,my depature date is 04/22 and my arriva date is o4/24.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Frontier airlines. Shall I proceed with this?

USER: Ok, proceed with that.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1024.

USER: Thank you for booked.

ASSISTANT: You are welcome Donna Thompson.