You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Donna Rodriguez.

ASSISTANT: How can I help you?

USER: I want to visit a music event in Los Angeles, where my favourite band will be performing.Can you book a ticket with a budget of 500?

ASSISTANT: Sure, I am happy to help with that. Please may I know your travelling dates.

USER: I want to travel on 09/25 and 09/27.

ASSISTANT: I need your airport codes to proceed the booking?

USER: I want to fly from CLT to LAX.

ASSISTANT: Sure, give me a minute.I will check it.

USER: I want to have a connection of 1.

ASSISTANT: There is a flight for you with price 100, flight number is 1007 with Southwest.Shall I proceed the booking?

USER: Yes, proceed to booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for helping me out.

ASSISTANT: Thank you for contacting us.