You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Ashley Clark. Can you help me to search a flight with 200 price limit?

ASSISTANT: Sure, what dates would you like to travel?

USER: My travelling dates are 08/22 and 08/24.

ASSISTANT: Ok, could you please provide your codes of airport?

USER: My travelling airport codes are ATL and PHX.

ASSISTANT: Sorry to say, no flights were found for your details.

USER: Not an issue.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your help.