You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Anthony Scott here.

ASSISTANT: Sure, can you share your airport codes please?

USER: I want to travel from CLT to OAK for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Ok, now please share your travel dates?

USER: My travelling dates are from 02/29 to 03/02. Make sure my connections limit is 0.

ASSISTANT: Thanks for waiting.

USER: My pleasure.

ASSISTANT: But I am sorry to say that there are no flights available.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you.