You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Emma Collins.

ASSISTANT: How may I help you today?

USER: I am planning to attend music concert at Philadelphia, can you please help me with booking a flight ticket?

ASSISTANT: Yes, I can help you with that. Could you provide me your travelling dates?

USER:  Sure, I would like to take off on 03/28 and return back on 03/30.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: My source airport code is EWR and the destination airport code is PHL.

ASSISTANT: Ok, give me a second. I will get back to you.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: Ok. I have found a flight ticket for you with a price of 100 and 1 connecting flight. Can I proceed to booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with Hawaiian airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.