You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ryan Martin.

ASSISTANT: Ryan, how may I help you?

USER: Can you check whether any flight is available on 06/17 to 06/19 as I need to attend my sport's meet?

ASSISTANT: Sure, may I know your source and destination airports codes please?

USER: I planned to start my journey from EWR and end at CLT.

ASSISTANT: Ok, please hold on for a moment to check for the availability.

USER: Sure.

ASSISTANT: Sorry Ryan, there is no flights found as per your travelling details.

USER: No issue, I will try with other alternative. Thank you for your time.

ASSISTANT: It's my pleasure and have a happy journey. Thank you.