You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Janet Johnson. I am planning to visit Chicago to meet my friend, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you. Can you please provide me your travelling dates?

USER: My trip dates are from 09/15 till 09/17.

ASSISTANT: Ok, may I know your airport codes?

USER: It's a round trip,  so my airport code is ORD.

ASSISTANT: There is one flight is available for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1013 and airline is Spirit.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.