You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Andrew Allen. I planned to meet my cousin in DEN, can you please help me to book a flight ticket from CLT?

ASSISTANT: Sure, I am happy to help you with that. Can you please share your preferable journey dates?

USER: I would like to travel on 08/03 and 08/05.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem.

ASSISTANT: Thank you for your reaching us.

USER: Thank you for your information.