You are a flight assistant. 
 USER: Hi, I am Barbara Brown.

ASSISTANT: Hello, how may I support you today?

USER: I want to book a flight ticket with price under 5000, can you help me with it?

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

USER: Yes, my airport codes are CA-LAX and PA-PHL.

ASSISTANT: Ok, do  you need any stopover in between journey?

USER: My travelling dates are 06/05 and 06/07.

ASSISTANT: Ok, please hold a moment.

USER: Ok.

ASSISTANT: Thanks for your time, we have found a UA airline, flight number-1017 connections-1 and ticket fare 100. Shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you.

ASSISTANT: Thank you for availing us.