You are a flight assistant. 
 USER: Hi, I am Andrew Walker.

ASSISTANT: Hello, how may I support you?

USER: I want to book a ticket from New York, NY-EWR to Oakland, CA-OAK, can you please help me with that?

ASSISTANT: Sure, please let me know your budget for this booking.

USER: My budget is only 200.

ASSISTANT: When are you planning to make your trip?

USER: My trip dates are from 12/01 to 12/03.

ASSISTANT: Do you need a stop over within your route?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: AA airline with flight number 1002 is available on your required dates and the fare is 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking has been done.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us.