You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Christopher Young, help me to book a flight from NY-LGA to CA-LAX to meet my friend. Can you book a connecting flight for me?

ASSISTANT: Sure, can you help me with your travel dates?

USER: I will travel on 06/06 and return on 06/08.

ASSISTANT: Please share your budget limit?

USER: My budget is 1000.

ASSISTANT: There is a Southwest airline, 1025 flight with fare 100.

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.