You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am George Phillips.

ASSISTANT: How can I assist you today?

USER: I am planning to visit Oakland, OAK. Could you please help me in booking the flight ticket from Chicago, ORD?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My preferable journey dates are from 12/13 to 12/15.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: UA airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Please book my ticket with this airlines.

ASSISTANT: I have successfully booked your ticket with flight-1019, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.