You are a flight assistant. 
 USER: Hello, I am Sandra Perez.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket from OAK to HOU to visit my friend's house, can you please help me to book a flight with single connection?

ASSISTANT: Sure, can you please provide your budget for ticket?

USER: My price is 500.

ASSISTANT: May I know your departure and arrival dates?

USER: My departure and arrival dates are 12/17 to 12/19.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for your time, we have found a Frontier airline, flight number-1019 connections-1 and ticket fare is 100.

USER: Ok, please proceed with my booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.