You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you at this moment?

USER: Laura Clark here. I want to book a flight ticket from Denver, CO - DEN to Charlotte, NC - CLT. Can you please help me in that?

ASSISTANT: Sure, I can help you with the ticket booking.

USER: Thank you.

ASSISTANT: Can you please share your planned travel dates?

USER: I want to fly on 10/06 and return on 10/08.

ASSISTANT: Ok, please give me a minute to check the flight availability.

USER: sure.

ASSISTANT: Sorry to intimate you that, I have not found any flight in this route on the dates you have given.

USER: Ok, it is not an issue. Thank you for your help.

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