You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you?

USER: I need to reach Charlotte to explore new things about some rare monuments, can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your trip dates?

USER: My plan to start on 08/11 and my return date will be on 08/13.

ASSISTANT: Can you share your location with airport codes?

USER: I would like to start from Denver, CO-DEN to reach Charlotte, NC-CLT.

ASSISTANT: May I know your name?

USER: I am Jerry Evans.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Thanks for your help.