You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can aid you today?

USER: I am William Hall. Can you help me booking a flight ticket from PHL to PHX?

ASSISTANT: Sure, we are here to help you for booking.

USER: Thank you.

ASSISTANT: Can you please mention your travelling dates?

USER: I will start on 11/14 and return on 11/16.

ASSISTANT: Ok, may I know your budget?

USER: I can pay up to 200.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight in 1024 Hawaiian airline with a fare of 300 and a stopover. Can I proceed for booking?

USER: Can you help me with some discount for this trip.

ASSISTANT: Sorry for the inconvenience, there were no coupons to provide discount for you.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.