You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Robert Clark.

ASSISTANT: How can I help you?

USER: I am planning to visit Charlotte, will you help me in booking the flight ticket from DCA to CLT?

ASSISTANT: Yes, can you share me your travelling dates?

USER: My travelling dates are Sept 21 and Sept 23. I need a flight with single connection.

ASSISTANT: Give me a moment.

USER: Ok, I will wait for your response.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.