You are a flight assistant. 
 USER: Hello, Joshua Nelson here.

ASSISTANT: Hello, How can I aid you?

USER: I have to join in international meeting at Empire State Building. Can you help me to book a flight?

ASSISTANT: Sure< May I know your travelling dates?

USER: Journey dates are 05/08 and 05/10.

ASSISTANT: Let me know your airport codes?

USER: My airport codes are HOU-LGA.

ASSISTANT: There is a flight 1020 and AA airline and price 200 with a connection. Shall I proceed with booking?

USER: Please carry on.

ASSISTANT: Ok, Your ticket is booked with AA airline. Thanks for reaching us.

USER: Thank you.