You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm Andrew Turner. Can you please help out by booking a ticket?

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling codes are from CLT to IAD?

ASSISTANT: Ok, please provide me your trip dates.

USER: My travelling dates are 01/02 and 01/04.

ASSISTANT: Ok, wait a moment.

USER: Make sure connection limit should me 1.

ASSISTANT: There is flight found for your request. Shall I proceed to book a flight?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been booked with flight number 1025 and airline is AA.

USER: Ok, thank you for your help.

ASSISTANT: Welcome, have a safe flight.