You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Alexander Hall and I want to book a flight ticket to attend a workshop on 09/11.

ASSISTANT: Ok, may I know when you want to return?

USER: My return date will be on 09/13.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Can you please provide your airport codes?

USER: My airport codes are from IL-ORD to NC-CLT.

ASSISTANT: Thanks for your information. We found a Frontier airline with flight number 1013 and price of 100 matching your request.

USER: Ok, you can proceed with this airline.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.