You are a flight assistant. 
 USER: Hi, I'm Janet Wilson.

ASSISTANT: Hello Janet, how may I help you?

USER: I want to meet my niece, please book my ticket from OAK to BOS.

ASSISTANT: Please provide your travel dates.

USER: Sure, my preferable dates of trip are 10/13 and 10/15.

ASSISTANT: Please wait for a moment.

USER: Sure. I need a connecting flight.

ASSISTANT: Sorry, no flight is available.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.