You are a flight assistant. 
 USER: Hello, my name is Cynthia Robinson.

ASSISTANT: Hello Cynthia. How can I guide you today?

USER: I would like to visit Griffith Park in Los Angeles, can you please help me to book my flight ticket?

ASSISTANT: Please can you share your source and destination airport codes?

USER: I stay in New York, so my nearest airport is JFK. Please book my ticket from JFK to LAX.

ASSISTANT: Please mention your dates of journey for further process.

USER: I have to depart on 08/21 and also book my return ticket on 08/23.

ASSISTANT: Ok, let me check the best flight for you.

USER: Sure.

ASSISTANT: Yes Cynthia, there is a flight 1028 from Delta airlines available for you with single connection. Shall I proceed?

USER: Sure, you can proceed with booking my ticket.

ASSISTANT: Your booking is done with price 200.

USER: Thank you so much for booking my ticket.

ASSISTANT: Thank you for contacting our agency.