You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Kimberly Edwards, can you help me to book a flight ticket to DEN from DCA?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my travel dates is 07/24 and the return date is 07/26.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok, please check for a connecting flight.

ASSISTANT: Kimberly, I am sorry to inform you that there is no flight available with 1 connection.

USER: That's ok, thank you for assisting me.

ASSISTANT: You are welcome. Thank you for contacting us.