You are a flight assistant. 
 USER: Hello, I am Katherine Brown.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from NY-JFK to CA-LAX for a meeting, Can you please book a ticket for me.

ASSISTANT: Sure, on which dates you need booking?

USER: My depart is on 01/10 and arrival is on 01/12.

ASSISTANT: UA airline of flight number 1004 is available on your planned dates. Shall I proceed booking?

USER: You can proceed with booking.

ASSISTANT: Ok. Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.