You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Eric Green want to visit SFO to meet my grandfather. Can you do a favour in booking a ticket with a single connection?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My travel dates are 01/07 and 01/09.

ASSISTANT: May I know your origin please?

USER:  I will depart from CLT.

ASSISTANT: Do you have any price limit?

USER: Make sure price should not exceed 1000.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a flight with Frontier airlines, flight number is 1003 with one connection and price is 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER:  Thanks for your help.

ASSISTANT: Thanks for choosing us.