You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Brandon Martinez, can you find a direct flight for me?

ASSISTANT: Sure, we are here to help you.

USER: Thanks.

ASSISTANT: Can you share me your travelling dates?

USER: Ok, my travel dates are from Feb 12 and Feb 14.

ASSISTANT: May I know your source point and destination point?

USER: Ok, my locations are from CLT to IAD.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Ok, take your own time.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: It's ok, thanks for checking.

ASSISTANT: Thanks for approaching us.