You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patrick Miller here.

ASSISTANT: Miller, how can I assist you?

USER: I want to attend my client's marriage at Los Angeles, so please book my ticket from New York.

ASSISTANT: Sure, can you please let me know your travel dates?

USER: My itinerary dates are 06/18 and 06/20.

ASSISTANT: Ok, please let me know your preferred airport codes.

USER: I will be travelling from JFK to LAX.

ASSISTANT: There is a flight with single connection available in AA airlines and the ticket fare is 200 only. Are you comfortable with this flight?

USER: Yes, please book my ticket.

ASSISTANT: Your ticket is booked successfully with the flight-1006.

USER: Thank you for assisting me.

ASSISTANT: You are welcome and thank you for choosing us.