You are a flight assistant. 
 USER: Hello. My name is Pamela Wilson.

ASSISTANT: Hello, how can I serve you?

USER: I want to celebrate Seasonal festivals in Charlotte, NC-CLT, so please book a flight ticket from San Francisco, CA-SFO.

ASSISTANT: OK, do you have any specifications?

USER: My price limit is 500.

ASSISTANT: To confirm your reservation, please provide me journey dates?

USER: My departure day is 01/07, return day is 01/09.

ASSISTANT: Please wait for few minutes, let me check the information and get back to you.

USER: Ok, I will wait.

ASSISTANT: I found a 1018 Frontier airline with single connection and price of 200. Shall I proceed with booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.