You are a flight assistant. 
 USER: Hello, I am Andrew Nelson.

ASSISTANT: Hello, how may I assist you now?

USER: I want to go to my grand mother memorial service at Oakland,CA-OAK.Can you please help me in booking?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: I want to travel on 03/09 and return on 03/11.

ASSISTANT: May I know your source airport code?

USER: I want to travel from Los Angeles, CA - LAX.

ASSISTANT: Do you need any break in between your journey?

USER: I am comfortable with any flight.

ASSISTANT: Thanks for your details. we found a UA airline of flight number 1023 on your requested dates.

USER: Please proceed.

ASSISTANT: Your ticket has been booked with fare of 100.

USER: Thanks for your prompt response.

ASSISTANT: Thanks for opting us.