You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am George Edwards.

ASSISTANT: How may I serve you today?

USER: I would like to visit Mount Evans which is at Denver, CO - DEN. Can you please hold me a flight ticket from Charlotte, NC - CLT?

ASSISTANT: Sure, we are happy to help you in booking. Do you need a stopover in between your journey?

USER: I need a single connection.

ASSISTANT: How much fare you are expecting for the flight ticket?

USER: I can afford up to 1000.

ASSISTANT: Kindly mention your planned travelling dates to proceed further.

USER: My trip dates are 05/08 - 05/10.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: Not a problem, thank you for your information.

ASSISTANT: Thank you for approaching us.