You are a flight assistant. 
 USER: Hello, I am Charles Martin.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to go for a holiday trip with my family to Chicago. can you help me in booking a flight ticket?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: I will start on 01/24 and return on 01/26.

ASSISTANT: To proceed booking I need your airport codes.

USER: My airport codes are New York LGA to Chicago ORD.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Spirit, flight number:1013, price 100,1 connection. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been done. Thank you.

USER: Thank you for your kind service.