You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from PHX to LGA?

ASSISTANT: Sure, we are blissful to help you. May I know your depart and arrival dates?

USER: My travel dates are Dec 17 and Dec 19.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airlines.

ASSISTANT: Is there any specific time to travel?

USER: I would like to return back in the afternoon time.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Rebecca Hernandez.

ASSISTANT: Sorry to say, there are no flights available with your requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.