You are a flight assistant. 
 USER: Hi, I am Dorothy Anderson.

ASSISTANT: Hello, how may I help you?

USER: Can you please avail me a ticket from CLT to OAK?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are from Oct 8th to Oct 10th.

ASSISTANT: Can you please share your depart time and return time?

USER: I want to return in the morning.

ASSISTANT: May I know your connection limit?

USER: I want a direct flight.

ASSISTANT: Do you have any other requirements?

USER: Ok, I want a normal-cost airline.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: OK, no problem. Thank you.

ASSISTANT: Thank you for opting us.