You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good morning.

USER: I am Betty Lewis.

ASSISTANT: Betty, how can I assist you?

USER: I want visit Cloud gate in Chicago, can you book a ticket for me?

ASSISTANT: Sure, I am here to help you. May I know the journey dates?

USER: My planned dates are 01/04 and 01/06.

ASSISTANT: Ok, what were the airport codes?

USER: My airport codes are HOU to ORD.

ASSISTANT: There is a flight 1019 in AA airline has the price 100. Are you ok with these details?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us, have a safe journey. You are welcome.