You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I have a meeting to attend at Dallas. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I would be happy to help you with that. Can you please share your journey dates?

USER: My planned journey dates are 08/14 and 08/16.

ASSISTANT: May I know your airport codes to proceed further?

USER: The respective airport codes are ORD and DFW.

ASSISTANT: May I know your name please.

USER: My name is Anthony Jones.

ASSISTANT: Wait for a minute.

USER: Ok, take your time.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Its ok, I will plan my journey on some other dates. Thank you for the information.

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