You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am visiting Redwood Regional Park with my friends for Picnic. Can you book a flight to Oakland?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I will travel on July 4th and return on July 6th.

ASSISTANT: Can you please share your origin airport code and destination airport codes please?

USER: My source point is SEA and my destination is OAK.

ASSISTANT: Do you have any connection preference?

USER: I prefer a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Brandon Phillips.

ASSISTANT: Wait a moment please, let me check with that.

USER: Sure.

ASSISTANT: United Airlines is providing connecting flight for you with the fare of 200 in economy class, shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1001.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.