You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Ruth Clark. I want to go Charlotte from Las Vegas, could you help me out in booking a flight ticket?

ASSISTANT: Sure, may I Know your airport codes please?

USER: My travelling airport codes are LAS-CLT.

ASSISTANT: On which dates you like to travel?

USER: My travelling dates are 07/28 and return on 07/30.

ASSISTANT: There is a flight with single connection, can I proceed for booking in Delta airlines?

USER: Sure, proceed with booking.

ASSISTANT: Your booking is done in 1013 flight.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.