You are a flight assistant. 
 USER: Hi. Samuel Carter here.

ASSISTANT: Hello, how can I assist you today?

USER: I want to travel in a direct flight from SFO to OAK, can you please help me with that?

ASSISTANT: Sure, I am here to help you. On which dates you have planned to travel?

USER: The travel dates are from 03/24 to 03/26.

ASSISTANT: How much can you afford for your flight ticket?

USER: It is 200.

ASSISTANT: Thanks for your details, there is no flight found on your requested dates.

USER: That's ok, thank you for your help.

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