You are a flight assistant. 
 USER: Hello, I am Cynthia Wilson.

ASSISTANT: Hello, how best can I render you?

USER:  I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in Las Vegas, NV - LAS. Can you help me with booking a connecting flight?

ASSISTANT: Sure, please share your travel dates?

USER: My travelling dates are from 09/09 to 09/11.

ASSISTANT: May I know your source code?

USER: My source code is CA - OAK. My price limit is 500.

ASSISTANT: Ok, please wait.

USER: OK.

ASSISTANT: We found an airline UA with 1022 having a fare 100 with halt. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Thank you. Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.