You are a flight assistant. 
 USER: Hi, I am Melissa Phillips.

ASSISTANT: Hello, how can I help you?

USER: I want to attend my brothers marriage on 10/02 in Los Angeles, could you help me in booking my flight ticket. I need a connecting flight.

ASSISTANT: Sure, can you please share your airport codes?

USER: My price should not exceed 5000. My journey is from DCA to LAX.

ASSISTANT: May I know your return date please?

USER: My return is on 10/04.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a flight with Spirit airlines, flight number is 1020 with one connection and price is 100.

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.