You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Jacob Lopez, willing to travel Dallas with my friends to an sports event there.So, can you please help me by booking my flight ticket from Phoenix, AZ - PHX?

ASSISTANT: Ok, let me know your arrival and departure dates for this journey?

USER: My arrival and departure dates are 08/16 and 08/18.

ASSISTANT: What is your destination airport code for this journey?

USER: My destination airport code is TX - DFW.

ASSISTANT: Jacob Lopez, there is no flight available for your request.Sorry for the inconvenience.

USER: Its ok fine.I will plan my trip later.Thank you for the information.

ASSISTANT: Thank you for connecting with our agency, have a great day.

USER: You are welcome.