You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: My name is Donna Walker, I want to book a flight from OAK to LAS to attend meeting. Can you book a connecting flight for me?

ASSISTANT: Sure, please share your planned journey dates.

USER: I will fly on Nov 12 and return on Nov 14.

ASSISTANT: Ok, may I know your budget limit?

USER: My budget is 1000 for flight ticket.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1001 Spirit airline with a fare of 100 and single connection. Can I proceed?

USER: Please proceed with booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.