You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what help are you expecting from our service?

USER: I am Barbara Smith, my friend met with an accident so I would like to visit him in LAS, so can you help me in booking the ticket from PHX?

ASSISTANT: That's so sad to hear. I will definitely help you to book the ticket but before that can you please provide your source and destination airport codes? I will definitely help you to find a flight ticket from PHX to LAS, can you please help me by providing your preferable dates to travel?

USER: I would like to start my journey on 03/25 and I am going to return to PHX on 03/27.

ASSISTANT: Please give me moment, I will check with the available airlines in this route and inform you.

USER: Ok, I will wait for your response.

ASSISTANT: According to your request, there is a direct flight available for you from Delta airlines.

USER: Can you please check out for connection limit 1?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to inform you that, there is no flight available on your requested dates with 1 connection.

USER: Oh! it is ok, no problem. Thank you for your quick response.

ASSISTANT: You are welcome. Have a great day.