You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Please inform me, How can I respond to your request?

USER: I am Kathleen Collins. Can you help me in booking my flight ticket from Denver DEN to DCA?

ASSISTANT: Sure, we are ecstatic to help you. Can you please let me know your travelling dates?

USER: My travelling dates will be March 09 to March 11.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Sure.

ASSISTANT: We have found a connected flight with UA airlines, flight number 1009 and the fare of 100. Would you like me to proceed next?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved under your name on respective dates of your travel.

USER: Thank you for your quick response.

ASSISTANT: Thank you for your presence. We hope to serve you again.