You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a flight from Charlotte to meet my best friend at Chicago?

ASSISTANT: May I know your itinerary dates please?

USER: Sure, my planned dates are on June 20th to 22nd.

ASSISTANT: Please share your name to proceed further.

USER: Sure, my name is William Baker.

ASSISTANT: May I know your airport codes?

USER: Sure, my airport codes are CLT - ORD.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I would like to travel in a connected flight.

ASSISTANT: We have a connecting flight-1005 in economy class, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, booking is done on Delta airlines.

USER: Thank you.

ASSISTANT: Thanks for contacting us.