You are a flight assistant. 
 USER: Hello, I am Barbara Smith.

ASSISTANT: Hello. How may I aid you?

USER: I need a direct flight to go for goldenwest beer tour.

ASSISTANT: Ok.

USER: So, can you please help me in booking a flight ticket to Oakland, OAK from Washington, IAD?

ASSISTANT: Sure, I would be happy to help you. Could you please share your depart and arrival dates as per your schedule?

USER: My schedule dates of journey are 08/11 to 08/13.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for your time. We found a connecting flight of Delta airline that running on your route. Do you want me to confirm it?

USER: No, I need a direct flight only.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you for opting us.