You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Nancy Nelson. I need to book a ticket from Charlotte with fare of 5000 to meet my sister-in-law.

ASSISTANT: Ok.

USER: Could you please help me in doing that?

ASSISTANT: Sure, I am perky to help you. Can you please share your journey dates?

USER: My travelling dates are 11/21 and return on 11/23.

ASSISTANT: May I know, from where would you prefer to take off?

USER: My take off airport code is IAD.

ASSISTANT: Can I have your landing point?

USER: My landing point is CLT.

ASSISTANT: Thank you for sharing the details, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there are no flights found that matches your requirements.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for approaching us.