You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I have planned to go for Foothills explorer tour at Denver, please book a connecting flight.

ASSISTANT: Sure, may I know your good name?

USER: I am Daniel Moore.

ASSISTANT: Do you have any price limit?

USER: I need the ticket within price 200.

ASSISTANT: Please ensure your boarding and landing points?

USER: I want to fly from Charlotte, NC- CLT to Denver, CO- DEN.

ASSISTANT: Let me know your travel dates?

USER: My depart date is on 06/04 and return date is on 06/06.

ASSISTANT: Thanks for ensuring your details. Sorry, to say we found a flight with price 600 which does not meet your criterion.

USER: Ok, no issues, thank you for the information.

ASSISTANT: Thank you for choosing us.