You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to fly from LAX, can you please help me in booking a flight ticket to OAK?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are July 19th and July 21st.

ASSISTANT: On which name should I reserve the flight ticket?

USER: David Clark.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found AA airline with price 100 and economy class and airline number is 1002 with arrival time is 23:00 hours and departure time is 17:00 hours, Shall I proceed for booking?

USER: You can proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.