You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Andrew Carter.

ASSISTANT: Andrew Carter, what can I do for you now?

USER: I need a flight ticket under the range of 500.

ASSISTANT: Ok. Will you please let me know the journey dates?

USER: I want to travel from PHX to IAD to meet my friend. My journey dates are from 08/09 to 08/11. Connection limit is 1.

ASSISTANT: Thanks for providing the details. We do not found a flight that matches with your information.

USER: Ok, No problem.

ASSISTANT: Thank you for availing us.

USER: Thank you.