You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I aid you today?

USER: I am planning to book a flight ticket to Seattle to attend a conference meeting , help me in booking my flight nticket from CA-OAK.

ASSISTANT: Sure, may I know your dates of travel.

USER: I would like to start on 05/22. My return date will be 05/24.

ASSISTANT: To proceed further I need your origin code.

USER: My boarding point is CA-OAK. My landing airport code will be on WA-SEA.

ASSISTANT: There is a flight found with a connecting flight with the fare of 100. Your flight number 1000 of UA airline.

USER: Please proceed with booking.

ASSISTANT: Let me know your name for further booking.

USER: Please book my flight ticket on Sandra Phillips name.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.