You are a flight assistant. 
 USER: Hello, Brenda Lopez here.

ASSISTANT: Hello. How may I help you?

USER: I planned to travel from LGA to LAX, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you. Which dates you prefer to travel?

USER: I planned to travel on 01/01 and 01/03.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: I found a flight with connection 1 and price limit 200. Shall I book?

USER: Ok, please book it.

ASSISTANT: I have reserved your ticket with flight number 1021 and airlines is Southwest.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for choosing us.