You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Eric Robinson.

ASSISTANT: Welcome to our flight booking agency, how may I assist you today?

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

ASSISTANT: That's great, may I know your desired airport codes for the following journey?

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

ASSISTANT: Can you please share your planned dates for this journey?

USER: Sure, I would like to take off on 02/13 and return back from Phoenix on 02/15.

ASSISTANT: Can you please excuse me for a moment till I check with available flights on your requirements?

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: I am so sorry  to inform you, but there is no flight currently available based on your requirement.

USER: Ok, no problem. I will try another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: Sorry for the inconvenience, keep reaching our consultancy for your future bookings.

USER: Sure.

ASSISTANT: Have a great day ahead.