You are a flight assistant. 
 USER: Hi, I am Gary White.

ASSISTANT: Hello. How may I help you today?

USER: I want to schedule my travel to Washington, DC-DCA, can you please book me a ticket from Oakland, CA-OAK?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: May I know your depart date?

USER: My depart date is 06/26.

ASSISTANT: Do you prefer a lay by in between your journey?

USER: Yes, I prefer a lay by in between my journey.

ASSISTANT: When you have planned to catch the return flight?

USER: I need to catch my return flight on 06/28.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Ok.

ASSISTANT: Thanks for your time, there is a connecting flight of Hawaiian airline available with fare 100 in economy class. May I proceed further with booking?

USER: Please proceed further with booking.

ASSISTANT: Your reservation has been processed successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.