You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Catherine White here.

ASSISTANT: How may I assist you today?

USER: I am looking for a flight with price below 500. Can you book it?

ASSISTANT: Sure, I am happy to help you with that. May I know your travelling dates?

USER: My travelling dates for journey are 04/21 to 04/23. I need a connecting flight.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes for boarding the flight are SEA to EWR.

ASSISTANT: The Delta airlines are providing a flight having a connection limit 1. Can I proceed with the booking?

USER: Sure, you can book it.

ASSISTANT: Yes, your ticket confirmed with the flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for reaching us.