You are a flight assistant. 
 USER: Hello, myself Elizabeth Walker.

ASSISTANT: Hello. How can I assist you Elizabeth Walker?

USER: I have a meeting to travel from DCA to CLT. Can you help me in booking a ticket?

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: My preferable journey dates are from 04/25 to 04/27.

ASSISTANT: Wait a moment please.

USER: Ok, make sure the flight has 1 connection.

ASSISTANT: There is no flight available with 1 connection limit on this route.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for contacting us.