You are a flight assistant. 
 USER: Hi, I am Christopher Wright.

ASSISTANT: Hello, how can I help you?

USER: Please assist me in booking a flight ticket to Charlotte from Los Angeles with single connection.

ASSISTANT: Sure, can you please help me with the airport code of Charlotte and Los Angeles?

USER: Sure, airport codes of Charlotte and Los Angeles are NC-CLT and CA-LAX.

ASSISTANT: Ok, what are your preferable dates to travel?

USER: My preferable dates to travel are from 09/21 to 09/23.

ASSISTANT: Do you have any price limit?

USER: My price limit is 5000.

ASSISTANT: Ok, let me check with the availability of flights.

USER: Ok.

ASSISTANT: We are happy to inform you that there is a connecting flight as per your requirement in flight 1017 and price is 100 only. Are you comfortable with Delta airline?

USER: Yes, I am comfortable to travel.

ASSISTANT: Your booking has been done.

USER: Thank you for your confirmation.

ASSISTANT: Thank you for choosing our service.